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lakkis [162]
4 years ago
13

If x equals 10 what 5x-10

Mathematics
2 answers:
oksian1 [2.3K]4 years ago
7 0

Answer:40

Step-by-step explanation:

sweet [91]4 years ago
4 0

Answer:

40

Step-by-step explanation:

x = 10

Substitute 10 for x

5 (10) -10

Multiply 5 by 10

50 - 10

= 40

Mark Brainliest

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If AB = 2x – 5 and BC = x + 3, find x.<br><br> A. 8<br> B. 10<br> C. 12<br> D. 14
STALIN [3.7K]

8 is your answer. You have to set the equations equal to each other and then solve :)

6 0
3 years ago
Simplify the expression. x2 + x - 6 /x2 - 4 · x2 - 9/ x2 + 6x + 9
Agata [3.3K]

we are given

\frac{(x^2+x-6)}{(x^2-4)}*\frac{(x^2-9)}{(x^2+6x+9)}

step-1: Factor terms

x^2+x-6=(x+3)(x-2)

x^2+6x+9=(x+3)^2

x^2-4=(x-2)(x+2)

now, we can plug these values

and we get

=\frac{(x+3)(x-2)}{(x-2)(x+2)}*\frac{(x-3)(x+3)}{(x+3)^2}

step-2: Cancel common terms

we get

=\frac{(x+3)}{(x+2)}*\frac{(x-3)}{(x+3)}

we can again cancel numerator and denominator

and we get

=\frac{(x-3)}{(x+2)}.............Answer


7 0
4 years ago
The volume of a volleyball is about 288 cubic inches. what is the radius of the volleyball, to the nearest tenth of an inch? use
Len [333]

Answer:

The radius of the volleyball is 8.3 inches

Step-by-step explanation:

Given

r = \sqrt{\frac{3v}{4\pi}}

v = 288

Required

Determine the value of r

To do this, we simply substitute 288 for v and 3.14 for π in the given equation.

This gives

r = \sqrt{\frac{3v}{4\pi}}

r = \sqrt{\frac{3 * 288}{4 * 3.14}}

r = \sqrt{\frac{864}{12.56}}

r = \sqrt{68.7898089172}

r = 8.29396219651

r = 8.3\ inch (Approximated)

Hence;

<em>The radius of the volleyball is 8.3 inches</em>

3 0
3 years ago
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Tom has a water tank that holds 5 gallons of water.Tom uses water from a full tank to fill 6 bottles that each hold 16 ounces an
Shtirlitz [24]
1 gallon is 128 ounces, 5 gallons is 640 ounces. So 6*16=94 ounces Pitcher equals 64 ounces, so 640-158=452, there are 452 ounces of water left
4 0
3 years ago
Read 2 more answers
Please show working out
alekssr [168]

Answer:

x= 14.84cm

Step-by-step explanation:

cos(52)=x/28

cos(52)*28=x

x=14.84 cm

7 0
4 years ago
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