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romanna [79]
3 years ago
11

Factor. 4x2 + 10x

Mathematics
2 answers:
Bond [772]3 years ago
8 0
2(4+5x) is the right answer
Taya2010 [7]3 years ago
6 0

Answer:

The correct option is A) 2x(2x + 5).

Step-by-step explanation:

Consider the provided expression.

4x^2+10x

The above expression can be written as:

2 \times 2 x^2+2 \times 5x

Now take 2 common from the above expression.

2(2x^2+5x)

The above expression can be written as:

2(2x\times x+5x)

Now take x common from the above expression.

2x(2x+5)

Compare the obtained result with the provided options.

By comparing it can be concluded that the correct option is A) 2x(2x + 5).

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Find the missing side. round to the nearest tenth.
horrorfan [7]

Answer:

24) x = 9.2

25) x = 30.8

Step-by-step explanation:

Given

See attachment for triangles

Solving (24)

To solve for x, we make use of cosine formula

i.e.

cos(40) = adjacent ÷ hypotenuse

So, we have:

cos(40) = x ÷ 12

Multiply both sides by 12

12 cos(40) = x

12 * 0.7660 = x

x = 9.2

Solving (25)

To solve for x, we make use of sine formula

i.e.

sin(25) = opposite ÷ hypotenuse

So, we have:

sin(25) = 13 ÷ x

Multiply both sides by

x sin(25) = 13

Divide by sin(25)

x = 13 ÷ sin(25)

Using a calculator

x = 30.8

5 0
2 years ago
A discount voucher offering 15% off is used to pay a bill.After using the voucher, the bill is reduced to ?36.72.How much was th
Aleonysh [2.5K]

Answer:

$43.20

Step-by-step explanation:

To find the original purchase price, write a proportion and solve. A proportion is an equation where two ratios are set equal.

If the discount if 15% then you pay 85%.

\frac{36.72}{y}= \frac{85}{100}

To solve for y, cross multiply the numerator and denominator of each fraction.

36.72(100) = 85y

3672= 85y

43.2 = y

5 0
3 years ago
There 77 students 7:4
melisa1 [442]

Answer:

49:28

Step-by-step explanation:

7+4=11

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4*7=28

6 0
3 years ago
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