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deff fn [24]
3 years ago
6

Which expression is equivalent to 10x - 5 + 3x - 2

Mathematics
2 answers:
Goryan [66]3 years ago
8 0
13x-7 I would love some points
Serga [27]3 years ago
3 0

Answer:

13x-7

Step-by-step explanation:

add 10x and 3x.

13x-5-2

subtract 2 from -5

13x-7

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A new Youth Activity Center is being built in Hadleyville. The perimeter of the rectangular playing field is 430 yards. The leng
scoundrel [369]

Answer:

Width = 44 yards

Length = 171 yards

Step-by-step explanation:

Given:

<em>Perimeter of the rectangular field = 430 yards.</em>

Let:

<em>The length of the field be L</em>

<em>The width of the field be W.</em>

From the question:

<em>The length of the field is 5yards less than quadruple the width. This implies that;</em>

L = 4W - 5

But.

Perimeter (P) of a rectangle is given by:

P = 2(L + W)       ---------------(i)

Substitute the values of P = 430, L = 4W - 5 and W into equation (i) as follows;

430 = 2(4W - 5 + W)

430 = 2(5W - 5)

430 = 10W - 10

10W = 430 + 10

10W = 440

Divide both sides by 10

W = 44

Therefore, the width of the field is 44 yards.

Remember that,

L = 4W - 5          

[Now substitute W = 44]

L = 4(44) - 5

L = 176 - 5

L = 171

Therefore, the length of the field is 171 yards

8 0
3 years ago
What is... 55.
sukhopar [10]

Answer:

one more would be 56

one less would be 54

ten more would 65

ten less would be 45

Step-by-step explanation:

add one more to 55 to get 56

subtract one from 55 to get 54

add ten more to 55 to get 65

subtract ten from 55 to get 45

3 0
3 years ago
The square root of 45 lies between which two whole numbers
kkurt [141]

Answer:

6 and 7

Step-by-step explanation:

\sqrt{45}

is aprox

6.7082039324993690892275210061938287063218550788345771728126917362...

so it's between 6 and 7

6 0
4 years ago
Alex’s paycheck for the last two weeks totaled $239.64. He owes the cell phone company $45.87. How much money does he have left?
kolezko [41]
The answer is 193.77 because 239.64-45.87 is 193.77.
5 0
4 years ago
Read 2 more answers
Help please 4, 5, 6.......
Assoli18 [71]

4.  Supplementary angles together make a straight line (two right angles).  So BOE is supplementary to BOC

Answer: ∠BOE

5. Distance and midpoint between (4,-2), (6,8)

d = \sqrt{ (6-4)^2 + (8 - -2)^2} = \sqrt{2^2+10^2}=\sqrt{104}=2 \sqrt{26}

midpoint

\left(\dfrac{4 + 6}{2}, \dfrac{-2 + 8}{2} \right) = (5, 3)

Answer: distance 2√26, midpoint  (5, 3)

6.That's a rectangle oriented parallel to the axes, width parallel to the x axis of 7 - -3 = 10 and length along y of  1 - - 4 = 5, so an area of 10(5)=50

Answer: 50

5 0
4 years ago
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