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Maurinko [17]
3 years ago
11

Can someone help me urgently

Mathematics
1 answer:
cluponka [151]3 years ago
8 0

Answer:

which answer did you need help with

Step-by-step explanation:

i dont see what your inquiring about

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Jamie need to earn more than $4,000 to pa his monthly bills. he earns a monthly salary of $2,500 plus an extra $75 for every ele
Black_prince [1.1K]

Answer:

hi

Step-by-step explanation:

hi

4 0
3 years ago
15. A rectangle has a length of 2x - 1 and a width of 3x + 7. Find the perimeter of this rectangle.
andrew11 [14]

Answer:

10x + 12 and 6x² + 11x - 7

Step-by-step explanation:

The perimeter (P) of a rectangle is calculated as

P = 2l + 2w ( l is length and w is width )

   = 2(2x - 1) + 2(3x + 7) ← distribute parenthesis

    = 4x - 2 + 6x + 14 ← collect like terms

     = 10x + 12

--------------------------------------------------

The area (A) of a rectangle is calculated as

A = lw

   = (2x - 1)(3x + 7) ← expand using FOIL

    = 6x² + 14x - 3x - 7 ← collect like terms

    = 6x² + 11x - 7

7 0
3 years ago
For the function f(x) = 2x +3, evaluate f(3).
AveGali [126]

Answer:

9

Step-by-step explanation:

f(3) = 2(3) + 3

= 9

4 0
3 years ago
Read 2 more answers
The formula s= SA/6 squared gives the length of the side, s, of a cube with a surface area, SA. How much longer is the side of a
stiv31 [10]
The surface area (SA) of a cube can be written as:

SA = 6s²

From here we can write, the length of the side s as:

s= \sqrt{ \frac{SA}{6} }

For cube with surface area of 1200 square inches, the side length will be:

s= \sqrt{ \frac{1200}{6} }=10 \sqrt{2} inches

For cube with surface area 768 square inches, the side length will be:

s= \sqrt{ \frac{768}{6} }=8 \sqrt{2} inches

The difference in side lengths of two cubes will be:

10 \sqrt{2} -8 \sqrt{2}=2 \sqrt{2}

Rounding to nearest tenth of an integer, the difference between the side lengths of two cubes will be 2.8 inches. 
7 0
3 years ago
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Which ratio is equivalent to 9/36 <br> A. 6/9<br> B. 1/2<br> C. 1/3<br> D. 1/4
vodomira [7]
D because divide both sides by nine

5 0
3 years ago
Read 2 more answers
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