MATHEMATICS MIDDLE SCHOOL

Which equation is shown on the graph?    A.y = 2x  
B.y = x + 2  
C.y = 2x + 2  
D.y = x – 2
Which equation is shown on the graph? A. y = - 1

Answers

Answer 1
Answer: y=mx+b\n\nA(0;\ 2);\ B(-2;\ 0)\n\nfor\ x=2\to y=2\n\nsubstitute:m\cdot0+b=2\to b=2\n\ny=mx+2\n\nfor\ x=-2\to y=0\n\nsubstitute:-2m+2=0\to-2m=-2\ \ \ /:(-2)\to m=1\n\nAnswer:y=x+2\ (B)

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What is the product? 7 X(-4 )X(-6)


A.
–168

B.
–3

C.
17

D.
168

Answers

It will be D. 168 because 7 times -4 = -28 then you times -28 with -6 and it equals 168.

How to find cube root of 0.125

Answers

\sqrt[3]{0.125}=\sqrt[3]{(125)/(1000)}=\frac{\sqrt[3]{125}}{\sqrt[3]{1000}}=(5)/(10)\n\n\sqrt[3]{125}=5\ because\ 5^3=125\n\n\sqrt[3]{1000}=10\ because\ 10^3=1000
\sqrt[3]{0.125} =0.5

125/1000 \n 5/10=1/2=0.5

What is the volume of a sphere if it has a radius of 5 inches? (Use 3.14 for π.)

Answers

the volume for this sphere would be 523.6

A race car travels 1,212 kilometers in 4 hours. what is the car's rate of speed?

Answers


The car's rate of speed is precisely  1,212 km per 4 hours.

If you're more comfortable with a unit rate, then simply
perform the division:

   1,212 / 4 = 303

1,212 / 4  km/hr  =  303 km/hr
The car's rate of speed is 303 kilometers per hour. 
1,212 kilometers/4 hours / 4/4 = 303 kilometers/1 hour

Solve: 2|x + 7|−4 ≥ 0

Express the answer in interval notation.

Answers

Answer:

(−∞,−9]∪[−5,∞)

Step-by-step explanation:

Convert the inequality to interval notation.

Is this what you are looking for?

I really need help!!!

Answers

#6. if we make x the number of friends then 6x is the cost of their tickets. ($6 a piece)

3 boxes of popcorn = 3($6) = $18
2 boxes of candy = 2($3.5) = $7
total for snacks = $25

6x + 25 <= 135

answer C.

#8. all angles add to 180 degree, solve for x.
45x = 180
x = 4
6 C is the correct answer

7
(200)/(4) = 50
the answer is 50 mph

8
25x + 9x + 11x = 180 \n 45x = 180 \n x = (180)/(45) = 4
x is 4

9 the answer is 676.53
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Hey I need to know what 2+2 is thanks guys ❤️