Answer:
ok
Step-by-step explanation:
PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZ HELP ME I BEGGING YOU PLZZZZZZZZZZZZZZZ HELP!!!! (55 POINTS)
1. Evaluate 8a - b if a = 10 and b = 6
74
38
1000
9000
2. Evaluate expression if a=3 and b=4 . 4b-5a
2
1
-8
8
3. Evaluate Expressions a=3 b=4, 7a + 8b x 2
110
100
80
85
4.Strawberries are $1.95 a pound. Write an expression for p pounds of strawberries.
$1.95+p
$1.95-p
$1.95/p
$1.95p
5. Kenneth has g gumballs. Maggie has 29 fewer gumballs than Kenneth. Choose the expression that shows how many gumballs Maggie has.
g+29
29g
g-29
g ÷ 29
6) 5 + 36 ÷ 2 x 3 - 4
7
55
12
78
7)18 + (6 – 2) × 2
26
29
40
44
8.Expand -3( 2r + 5s).
-6r - 15s
-6r + 15s
-6r - 15
-6r + 2s
9. Expand and simplify 5(2 - 3y)
10 - 15y
10 + 15y
10 - 2y
10 - 3y
10.Factor: 7x + 49y
7(x + 7y)
7(x + y)
can't be factored
7(x + 48y)
11. Factor 6p − 36
6(p − 6)
2(3p − 36)
3(2p − 6)
can't be factored
12. Which expression contains exactly 3 terms?
A. 5 + 6xy
B. 8 + 2y - 5x
C. 9 + 4t
D. 24xy
13. What is the coefficient of x?8 + 5x - y
A. 8
B. 0
C. 5
D. -5
14. Identify the "like terms" in the expression: 2x + 4y - 3x + y - x
A. 2x and 4y and -3x
B. 2x and -3x and x; 4y and y
C. they are all like terms
D. there are no like terms
15. Factor 5x − 25
Answer:
1. 74 because 8(10) - 6
2.4(4) - 5(3) = 1
3. 7(3)+8(4) * 2 = 106
4. A
5.a
6. 20.5
7.26
8.a
9.a
10a
Step-by-step explanation:
2x+7=3x+4
step by step
Answer:
3=x or x=3
Step-by-step explanation:
2x+7=3x+4
-2x+2x7=-2x+3x+4
7=x+4
7-4=x+4-4
3=x or x=3
Please help. Questions in the picture.
Answer:
Step-by-step explanation:
(2 , 0) ; (0, 1)
Slope = [tex]\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\[/tex]
[tex]= \frac{1-0}{0-2}\\\\=\frac{1}{-2}\\\\\\=\frac{-1}{2}[/tex]
m = -1/2 ; (2 , 0)
Equation of the line : y - y1 = m(x - x1)
[tex]y - 0 = \frac{-1}{2}(x-2)\\\\ y = \frac{-1}{2}x - 2*\frac{-1}{2}\\\\\\ y = \frac{-1}{2}x+1[/tex]
slope = (-1/2)
y - intercept = 1
A science teacher ordered S2278 worth of microscopes and dissection kits for the new science lab. A total of
26 microscopes and 56 dissection kits were ordered. A microscope costs three times as much as a dissection
kit. Write a system of linear equations that represents this situation. What is the cost of each item?
Answer:
[tex]26M + 56D = 2278[/tex] ---- equation 1
[tex]M = 3D[/tex] ---- equation 2
A microscope costs S51 and a dissection kit costs S17
Step-by-step explanation:
Given
Represent microscope with M and Dissection kits with D
Cost:
[tex]M = 3D[/tex]
[tex]Total = 2278[/tex]
Required
Represent as an equation:
To do this, we represent the equation in terms of cost and quantity
In terms of cost, we have:
[tex]26M + 56D = 2278[/tex] ---- equation 1
and
[tex]M = 3D[/tex] ---- equation 2
Substitute 3D for M in equation 1
[tex]26*3D + 56D = 2278[/tex]
[tex]78D + 56D = 2278[/tex]
[tex]134D = 2278[/tex]
Divide both sides by 134
[tex]D = \frac{2278}{134}[/tex]
[tex]D = 17[/tex]
Substitute 17 for D in [tex]M = 3D[/tex]
[tex]M = 3 * 17[/tex]
[tex]M = 51[/tex]
Hence:
A microscope costs S51 and a dissection kit costs S17
What is the order fractions least to greatest 3/5 1/4 1/2 2/5
Answer:
1/4, 2/5, 1/2, 3/5
Step-by-step explanation:
1/4=0.25
3/5=0.6
2/5=0.4
1/2=0.5
Answer:
[least] 1/4, 2/5 , 1/2, 3/5 [greatest]
Step-by-step explanation:
Well lets find out LCD (least common denominator) for 4,5 and 2
LCD-20
12/20 =used to be 3/5
5/20=used to be 1/4
10/20=used to be 1/2
8/20=used to be 2/5
Now that you know all of them and have common denominator lets order!!
[least] 1/4, 2/5 , 1/2, 3/5 [greatest]
Hope this helps :3
Which could be the first step in solving the equation represented by the model below?
A. Add 4 negative unit tiles to both sides.
B. Add 4 negative unit tiles to the left side, and add 6 negative unit tiles to the right side.
C. Add 4 positive unit tiles to both sides.
D. Add 6 negative unit tiles to the left side, and add 4 negative unit tiles to the right side.
Answer: A. Add 4 negative unit tiles to both sides.
Step-by-step explanation: Hope this helps
You roll an eight-sided die. What is the chance that it will land on either a 2 or a 5? Write your answer as a fraction.
Answer:
2/8 and the simplified version is 1/4
Step-by-step explanation:
Answer:
2/8
Step-by-step explanation:
First you know that it is a eight- sided die. 2 or 5 are two numbers so it is 2/8.
you put all of the numbers and count them up on the top as numerators ex: 2/ Then the number of the sided die as the denominator.ex: 2/8 Hope this helped.
A grocery store sells a bag of 6 oranges for $3.90. What is the unit cost?
Pls Answer and I shall give u a- Thank You - Vielen Dank
Answer:
it would be 0.64
Step-by-step explanation:
The toy rocket is how much inches long?
A house costs $18,000, which is 9/10 the cost of a car. A motorcycle costs 1/5 the cost of the car, or 4/5 the cost of 100 cards. How much is the cost of 30 cards?
PLZ PLZ PLZ PLZ PLZ HELP!!!!!!!!!!!!!
Describe a strategy for finding the difference of two temperatures/Answer in complete sentences.
Hello this is my question if you answer correctly you will receive 30 points plus branliest please be mindful and help me solve this question ASP
Answer:
Use google scooby it's easier than this way.
Step-by-step explanation:
WILL MARK BRAINLIEST PLEASE HELP
Bob baked 175 brownies to give seven of his friends if he splits the brownies evenly and keeps none for himself how many brownies will each friend get
Answer:
25
Step-by-step explanation:
175 ÷ 7 = 25
please help i don’t know how to do this
Answer:
1.) 25
2.)81
3.)49
Step-by-step explanation:
(I recommend getting a Texas instruments TI-84 you can just plug in the numbers and it does it for you :)
what is slope intercept form?
Answer:
y=mx+b
anajsjsjsjsjsjsjjsmsm
can someone help me with this
Answer:
The first one is 45 hours
The second is 1361
Determine whether the given equation has one solution, no solution, or infinitely many solutions.
2 - 3(x + 4) = 3(3 - x)
cannot be determined
one solution
no solution
infinitely many solutions
Answer:
one solution is your answer to the question
Answer:
Perform the indicated multiplication: 2 - 3x - 12 = 9 - 3x
Gather all the x terms on one side and all the constants on the other:
-3x + 3x = 9 + 12 - 2, or 0 = 19
since this is never true, 2 - 3x - 12 = 9 - 3x has no solution.
I WILL MAKE YOU BRAINIELIST.
what is 37829192976277×2283838328282
Answer:
8.6395761e+25
Step-by-step explanation:
no
Find the slope and y-intercept of the following equation (Encuentra la pendiente y la
intersección con el eje y de la siguiente seuación)
(2 Points)
y = - 3r +9
slope = -3; y-intercept = 9
slope = 9; y - intercept - 3
slope = 3; y - intercept = 3
slope = 9; y - Intercept =
- 27
Answer:
slope is -3 and y intercept is 9
Step-by-step explanation:
use y = mr + b where m is the slope and m is the y intercept
What si the answer of Y = 7x -3 for x
Help
Answer:
[tex]x=\frac{1}{7}y+\frac{3}{7}[/tex]
Step-by-step explanation:
[tex]y=7x-3[/tex]
[tex]7x-3=y[/tex]
[tex]7x-3+3=y+3[/tex]
[tex]\frac{7x}{7}= \frac{y+3}{7}[/tex]
[tex]x=\frac{1}{4}y+\frac{3}{7}[/tex]
Can someone please help? I will give Brainliest.
Answer:
Ask your mom and she might tell you
Step-by-step explanation:
Answer:
ye
Step-by-step explanation:
PLEASEEEE 10 points
Answer
7?
Step-by-step explanation:
how do i find my sister's math question she just posted how do i find it
Answer:
You can find it on her profile, in the questions section.
Step-by-step explanation:
Tap her profile picture, which will take you to her profile.
Tap the questions bar, which should lead you to all questions she has posted.
Lastly, tap the question you want! It should show you the date or time it was posted.
A brainiest is this doggo's bone!
Choose the correct Triangle Congruence Theorem
Answer:
ASA
Step-by-step explanation:
Answer:
AAS
Step-by-step explanation:
The triangles have two congruent angles and one congruent side. This means they are congruent through the AAS theorem. The reason it is not the ASA theorem is that the side is not included, which means it is not in-between the congruent angles.
A cookie factory uses 1/6 of a bag of flour in each batch of cookies the factory used 1/2 of a bag of flour yesterday how many batches of cookies did the factory make
Answer:
they made 3 batchs
Step-by-step explanation:
You move right seven units. You end at 2,2. Where did you start?
Answer:
(2-7,2) = (-5,2)
Step-by-step explanation:
6th grade math
34/51 = x/3
solve pls
The point (-3, -5) is on the graph of a function. Which equation must be true regarding the function?
SAAB
Of(-3) = -5
f(-3,-5) = 8
f(-5) = -3
O f(-5, -3) = -2
Answer:
F(-3) = -5
Step-by-step explanation:
I got it right on the test
It also detects if you are right or wrong
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According to the table ;
[tex]f(0) = 6[/tex]
Let's check that in which of the equations it happens.
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A )
[tex]y = f(x) = 6x + 4[/tex]
[tex]f(0) = 6(0) + 4[/tex]
[tex]f(0) = 0 + 4[/tex]
[tex]f(0) = 4[/tex]
Wrong
♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️
B )
[tex]y = f(x) = 4x + 6[/tex]
[tex]f(0) = 4(0) + 6[/tex]
[tex]f(0) = 0 + 6[/tex]
[tex]f(0) = 6[/tex]
Correct.
Thus this option is the correct answer.
♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️
C )
[tex]y = f(x) = 2x + 4[/tex]
[tex]f(0) = 2(0) + 4[/tex]
[tex]f(0) = 0 + 4[/tex]
[tex]f(0) = 4[/tex]
Wrong
♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️
discriminate of 2x2 – 9x + 2 = –1
Answer:
The discriminant is less than 0, so there are two complex roots.
Step-by-step explanation: i think