One-third of a number is 7. Find the number.

Answers

Answer 1

Answer:

21

Step-by-step explanation:

21/3 = 7

Answer 2
the answer to ur question is 21

Related Questions



If the measure of 2 is 68° which statements must be true
Select all that apply

A. The measure of 1 is 68°
B. The measure of 3 is 68°
C. The measure of 5 is 292°
D. The measure of 6 is 112°
E. The measure of 7 is 68°
F. The measure of 8 is 112°

Answers

The answer is going to be B. E. F.

The number of chirps per minute, C, that the tree cricket makes is linearly dependent on the temperature, T, in Fahrenheit. The crickets do not chirp at all at 45 degrees and at 75 degrees they chirp about 126 times per minute. A) Express the number of chirps, C, in terms of the temperature, T. C= B) How many chirps per minute will crickets make at 90 degrees? chirps per min.

Answers

Answer:

The answer is below

Step-by-step explanation:

A linear equation is represented by the equation y = mx + b, where m is the rate of change, b is the value of y at x = 0, y is a dependent variable and x is an independent variable.

a) Given that number of chirps per minute, C is dependent on the temperature, T, when T = 45 degrees, C = 0, this can be represented as (45, 0).

Also at 75 degrees, C = 126 it can be represented as (75, 126).

Using (45, 0) and (75, 126), we can determine the equation of the line from:

[tex]C-C_1=\frac{C_2-C_1}{T_2-T_1}(T-T_1)\\ \\C-0=\frac{126-0}{75-45}(T-45)\\ \\C=4.2(T-45)\\\\C=4.2T-189\\\\[/tex]

b) At t = 90°:

C = 4.2(90) - 189

C = 189 chirps per min

a. The expression of the number of chirps should be C =  4.2T - 189

b. The number of chirps per minute should be 189 chirps per min.

Calculation of an expression & number of chirps:

Since The crickets do not chirp at all at 45 degrees and at 75 degrees they chirp about 126 times per minute.

So, here we used (45, 0) and (75, 126), we can measure the equation of the line from

[tex]C- C_1 = \frac{C_2-C_1}{T_2-T_1} (T_2 - T_1)\\\\C- 0 = \frac{126-0}{75-45} (T - 45)\\\\[/tex]

C = 4.2(T - 45)

C = 4.2T - 189

b. When T = 90 degrees

So,

C = 4.2(90) - 189

= 189 chirps

Learn more about temperature here; https://brainly.com/question/18250055

Write the quadratic equation whose roots are −6 and 4, and whose leading coefficient is 4. (Use the letter x to represent the variable.)

Answers

Answer:

4(x-4)(x+6)

Standard form: 4x^2+8x-96

Step-by-step explanation:

Since the roots are set to be -6 and 4, we need to find 2 linear equations that are equal to 0 when x is at -6 and when x is at 4, and multiply them together. That would look like this:

(x-4)(x+6)

Notice how if I plug in 4 or -6 for x, the whole thing is going to be 0.

Now, if we were to factor this, the leading coefficient would be 1. Since we want to change the leading coefficient while still preserving our roots, we can just multiply the whole polynomial by 4:

4(x-4)(x+6)

Notice if I still plug in 4 or -6 for x, the whole thing is going to be 0.

In standard form, the polynomial would be 4x^2+8x-96.

Mari and Jen each work 20 hours a week at different jobs. Mari earns twice as much as Jen. Together they earn 480. How much does each girl earn?

Answers

Answer: Mari earns 320 and jen earns 160

I need help with scientific notations 9.691 x 10^7

Answers

Answer: 9.691x107

Simplifies to:

9.691x10000000

=9.691x10000000

Step-by-step explanation: haha hopes this helps!

how do you decrease £56 by 14%

Answers

first, you have to find 14% of £56.

to do this, we have to multiply:

0.14 and 56 together.

0.14 x 56 = 7.84.

Now, we decrease £56 by 14%, which we have found is 7.84.

56 - 7.84 = 48.16.

The answer is 48.16. The process has been shown. Hopefully this helps! (:
56-100%
x-14%
x=56*14/100
x=7,84£(it’s 14%)

56-7,84=48,16£ or 48 it’s (84% by 56£)

Find the value of ​f(​5) for the function.
f(a)=7(a+3)-4
f(5)=

Answers

Answer:

f(5)=52

Step-by-step explanation:

f(a)=7(a+3)-4

f(5)=7(5+3)-4

f(5)=7(8)-4

f(5)=56-4

f(5)=52

the measure of an angle is 14° what is the measure of its supplementary angle?

Answers

i think 180 is supplementary angle

....................................

Answers

Answer:

i think the anwser is the third one c

Answer:

The answer is A. m || n.

Step-by-step explanation:

The answer is A. m || n.

If the lines are parallel, then the angle to the right of angle 3 is congruent to angle 1 since they are alternate interior angles of parallel lines. That makes m(1 + m<2 + m<3 = 180 deg.

x=8 5x3-7+x
find the quotient

Answers

Answer: yes

Step-by-step explanation:

i need help please what is the x

Answers

Answer:

x=4

Step-by-step explanation:

well you know that the square is 90 degrees so you set it up as 90=21x+6. Then you subtract 6 from both sides and it gets you 84=21x. Then divide 21 on both sides. So the answer is x=4

Below are two parallel lines with a third line intersecting them

X = ?

Answers

Answer:

The correct answer is x =55°

Write and solve the equation and then check your answer.
The difference between a number and four hundred forty is five hundred eighty-five.
Complete the statements.
The equation that correctly models the problem is
To undo what has been done to the variable,
both sides of the equation.
The solution of the equation is
Check the solution by substituting for the variable and simplifying.
1)Intro

Answers

Answer:the first one is n-440=585

The second one is add 440 to

The third one is n = 1025

The last one is 1025

Step-by-step explanation: got this all right on edge

Answer:

The equation that correctly models the problem is

✔ n – 440 = 585

.

To undo what has been done to the variable,

✔ add 440 to

both sides of the equation.

The solution of the equation is

✔ n = 1025

.

Check the solution by substituting

✔ 1025

for the variable and simplifying.

what is the answer for 2 (a-b)-(b-a)​

Answers

Answer:

3a - 3b

Step-by-step explanation:

Given

2(a - b) - (b - a)

Distribute the first parenthesis by 2 and the second by - 1

= 2a - 2b - b + a ← collect like terms

= 3a - 3b

Answer:

[tex]3a-3b[/tex]

Step-by-step explanation:

[tex]2(a-b)-(b-a)=2(a-b)-b+a=2a-2b-b+a=3a-3b[/tex]

Find the value of x.

Answers

Answer:

its 90 bro whenever you see that square on a corner its always 90 degrees

Step-by-step explanation:

Answer:

The answer is 90 degrees.

Whenever you see a square in the corner, it means it's 90 degrees.

It's also red, meaning that that is what you're trying to find.

Brian sells muffins for $0.75 and bagels for $1.25. This weekend he wants to make $300. If Brian sells 96 bagels, how many muffins does he need to sell to reach his goal?

Answers

So you do 1.25x96 and get 120$
Then you find 300-120 which is 180 then do 180 divided by .75 and that’s 240
SOOO 240 I think

if k = -3 what is the value of k + (2k - 10) ?

A. –19
B. –7
C. 1
D. –14

Answers

Answer:

A

Step-by-step explanation:

We have the expression [tex]k+(2k-10)[/tex]

We want to find the value when k is -3. So, substitute -3 for k and evaluate:

[tex]\Rightarrow (-3)+(2(-3)-10)[/tex]

Multiply:

[tex]=-3+(-6-10)[/tex]

Subtract:

[tex]=-3+(-16)[/tex]

Add:

[tex]=-19[/tex]

Therefore, our answer is A.

HELP. GET YA MONEY HERE.

Answers

Answer:

so the dude above me can get brainliest :)

Step-by-step explanation:

-66 = -9n + 16n + 4
Solve these step by step pls

Answers

Answer:

n= -10

Step-by-step explanation:

-66=7n+4

-7n=4+66

-7n=70

n=70/-7

n= -10

Answer:

n = -10

Step-by-step explanation:

-66 = -9n + 16n + 4

1. I started by subtracting 4 on both sides of the equation this gives you -70 = -9n + 16n

2. I then combined the like terms 16n and -9n on the right side of the equation. We do this by subtracting 9n from 16n. Which gives you -70 = 7n

3. We then divide both sides by 7 in order to get -10 = n

This gives you your final answer of n = -10

Write an equation in slope-intercept form of the line with slope −1 that contains the point (5,−2).

Answers

Answer:

y=-x+3

Step-by-step explanation:

[tex]y-y_{1}=m(x-x_{1})\\ y-(-2)=-(x-5)\\y+2=-(x-5)\\y+2=-x+5\\y+2-2=-x+5-2\\y=-x+3[/tex]

3x+29>4(x+7)
how do I solve this and the answer is NOT x<8 the answer is supposed to be x<1 but I don't know how to get there.

Answers

It’s a big huge nice pizza that has the best cheese and stuff I just want points so idc
Idk try to look it up you’ll find it

HI PLEASE HELP AH - ill mark brainliest !
if you flip three coins, the probability of getting three heads is 1/8. Interpret this probability.

Answers

Suppose you have a fair coin: this means it has a 50% chance of landing heads up and a 50% chance of landing tails up. Suppose you flip it three times and these flips are independent. So the probability that it lands heads up, then tails up, then heads up is 1/8, or 12.5%.
(Also you can use the formula for that.

The interpretation of the probability is there is a 12.5% chance of obtaining three heads when three coins are flipped

The probability is given as:

[tex]\mathbf{Pr = \frac 18}[/tex]

The above represents the probability of flipping a head three times.

Express as decimal

[tex]\mathbf{Pr = 0.125}[/tex]

Express as percentage

[tex]\mathbf{Pr = 12.5\%}[/tex]

This means that, there is a 12.5% chance of obtaining three heads when three coins are flipped

Read more about probability at:

https://brainly.com/question/11234923

f(x)=2x-6 find f(-2)
NEED ANSWER ASAP

Answers

the answer to this is -10

Given 45-45-90 triangle with hypotenuse of 3cm solve for the other sides.

Answers

Answer:

[tex]\sqrt{\frac{9}{2} }[/tex]

Step-by-step explanation:

Given dimensions:

   The right angle system is a 45 - 45 - 90

    Hypotenuse  = 3cm

Unknown:

Adjacent and opposite sides = ?

Solution:

In this triangle, the adjacent and opposite sides are equal to one another. So,

 Let adjacent  = y

        opposite  = y

For right angle triangles as this, using the Pythagoras theorem,

           hypotenuse²  = adjacent² + opposite²

 Insert the parameters and solve;

                    3² = y² + y²

                    2y²  = 9

                       y² = [tex]\frac{9}{2}[/tex]

                       y = [tex]\sqrt{\frac{9}{2} }[/tex]

The lunch lady has 3 pounds of lasagna. If she makes 16-pound servings using this amount of lasagna, how many servings can she make?

Answers

Answer:

3

Step-by-step explanation:

Answer:

5 1/3 servings

Step-by-step explanation:

16/3 = 5.33 = 5 1/3 servings

Square root 2-x =x-2

Answers

Answer:

The square root of 2-x+x-2 is the square root of x (2-x)

Step-by-step explanation:

2 2/3 divided by 4
help

Answers

Answer:

[tex]\frac {2} {3}[/tex] is the answer

Step-by-step explanation:

[tex]\frac {8} {3}[/tex]÷[tex]\frac {4} {1}[/tex] can be turned into [tex]\frac {8} {3}[/tex]·[tex]\frac {1} {4}[/tex] using the KCF method. now we solve:

8\4=2

[tex]\frac {2} {3}[/tex] is the answer

2/3 is the correct answer .

A store orders 22 boxes of light bulbs. Each box has 148 bulbs.
Which is the best estimate of the total number of bulbs the store orders?

A.
20

×

100
B.
20

×

150
C.
25

×

150
D.
25

×

200

Answers

Answer:

b

Step-by-step explanation:

Answer:

6

Step-by-step explanation:

PLEASE HELP MEEEEEEEEEEEEE
The following is an incomplete paragraph proving that ∠WRS ≅ ∠VQT, given the information in the figure where segment UV is parallel to segment WZ:

Segments UV and WZ are parallel segments that intersect with line ST at points Q and R, respectively.

According to the given information, segment UV is parallel to segment WZ, while angles SQU and VQT are vertical angles. Angle VQT is congruent to angle SQU by the Vertical Angles Theorem. Because angles SQU and WRS are corresponding angles, they are congruent according to the Corresponding Angles Theorem. Finally, angle VQT is congruent to angle WRS by the ________ Property.

Which property of equality accurately completes the proof?

А Reflexive
B Substitution
C Subtraction
D Transitive

Answers

Answer:

The correct answer is Transitive

Graph the line that passes through the points (-2,2) and (-4,2) and determine the equation of the line

Answers

[tex]y = 2[/tex]. That's your equation.

The graph is the attachment.

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