2 years ago

Alicia's brother is three years younger than twice her age. The sum of their ages is 24. How old is Alicia?

Mathematics

1 answer:

Alborosie2 years ago

5 0

9 because 24 divided by 2 is 12 and 12 subtracted by 3 is 9

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WILL GIVE BRAINLIEST! What is the m∠ F? thanks for helping

natita [175]

X + x - 5 + 3x + 25 = 180
5x + 20 = 180
5x = 160
x = 32

m<F = x - 5
m<F = 32 - 5
m<F = 27

8 0

2 years ago

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krek1111 [17]

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1 year ago

A rectangular Corn Hole area at the Recreation Center has a width of 5 feet and a length of 10 feet. If

inysia [295]

Answer:

2 feet

Step-by-step explanation:

Let

x ----> the uniform amount added to each side

we know that

The algebraic expression that represent this situation is

$(5+x)(10+x)=84$

solve for x

Apply distributive property

$50+ 5x+10x+x^2=84\\x^2+15x-34=0$

solve the quadratic c equation

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^2+15x-34=0$

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substitute in the formula

$x=\frac{-15\pm\sqrt{15^{2}-4(1)(-34)}} {2(1)}$

$x=\frac{-15\pm\sqrt{361}} {2}$

$x=\frac{-15\pm19} {2}$

$x=\frac{-15\pm19} {2}=2$

$x=\frac{-15\pm19} {2}=-17$

therefore

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8 0

2 years ago

5c−4c+c equavilent like terms

meriva

Answer:

yes they are like terms

Step-by-step explanation:

they are like terms as the variables are same 5c-4c+

5 0

1 year ago

Read 2 more answers

What is the approximation of pi to the nearest hundredth ?

saveliy_v [14]

Answer:

3.14

That is the value of pi to the second decimal point

7 0

2 years ago