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Misha Larkins [42]
3 years ago
11

I NEED HELP!!!!!!!!!!!

Mathematics
1 answer:
Jlenok [28]3 years ago
5 0

Answer:

Step-by-step explanation:

a) y = \frac{7}{2}X

b) 7/2 * 4 = 157.5

c) y = \frac{7}{2}X + 42.43

d) 70.71  more minutes to finish reading  :)

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Use properties of multiplication to show why 4 x 50 = 8 x 25.
nikdorinn [45]

Given:

4\times 50 =8\times 25

To find:

The steps to prove the given statement by using the properties of multiplication.

Solution:

We have,

4\times 50 =8\times 25

Taking left hand side, we get

LHS=4\times 50

LHS=4\times (2\times 25)

LHS=(4\times 2)\times 25     (Associative property of multiplication)

LHS=8\times 25

LHS=RHS

Hence proved.

5 0
3 years ago
I'll mark the correct answer brainliest!
sveta [45]

The perimeter of the larger octagon would be 238 units. This is because the given side is multiplied by 7, so if you do this to all sides and then add them up, you get 238. To check, you can divide 238 by 34 and get 7.

6 0
3 years ago
Read 2 more answers
Express the perimeter perimeter p of a rectangle as a function of the width w if the length of the rectangle is twice its width.
Salsk061 [2.6K]
P=2w+2l
l=2*w
p=2w+2*2w
p=2w+4w
p=6*w
7 0
3 years ago
Solve - 3 [ ( x + 2 ) ( x - 1 ) - x ^ { 2 } + 1 ] + 3 ( x - 1 ) (and could you please explain it to me?? I really don't get it.
Mazyrski [523]

Answer:

Step-by-step explanation:

(x+2)(x-1)= x^2+2x-x-2= x^2 +x -2\\\\( x + 2 ) ( x - 1 ) - x ^ { 2 } + 1 =x^2+x-2-x^2+1=x-1\\\\- 3 [ ( x + 2 ) ( x - 1 ) - x ^ { 2 } + 1 ] =-3(x-1)=-3x+3\\\\- 3 [ ( x + 2 ) ( x - 1 ) - x ^ { 2 } + 1 ] + 3 ( x - 1 ) =-3x+3+3x-3=6x\\

5 0
3 years ago
Solve the equation 4(x + 2)= 6x + 4
SIZIF [17.4K]

The answer is x=2

show you step-by-step

step 1:simplify both sides of the equation.

(4)(x)+(4)(2)=6x+4

4x+8=6x+4

step 2:subtract 6x from both sides.

4x+8-6x=6x+4-6x

-2x+8=4

step 3: subtract 8 from both sides

-2x+8-8=4-8

-2x=-4

step 4: divide both sides by -2

-2x/-2= -4/-2

x=2

that helps you


7 0
3 years ago
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