MATHEMATICS COLLEGE

Gabrielle is 10 years older than mike. the sum of their ages is 56. how old is mike

Answers

Answer 1

Answer:

Answer: 23

Step-by-step explanation:

Let

�

m be Mike's age.

According to the given information, Gabrielle is

�

m+10 years old.

The sum of their ages is given by:

�

(

�

)

m+(m+10)=56

Combining like terms, we get:

�

2m+10=56

Subtracting 10 from both sides, we have:

�

2m=46

Dividing both sides by 2, we get:

�

m=23

So, Mike is 23 years old.

Answer 2

Answer: mike is 23 years old

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Levi Jeans Company at the Silverthorne, Colorado Outlet store sells bootcut jeans for $40 and straight leg jeans for $60. If customer’s bought 5 times more bootcut than straight leg jeans and last month’s sales totaled $6,500, how many of each pair of jeans were sold?

Answers

okay so we know the ratio of jeans sold is 5/1 so lets put that into an equation.

6,500 = $40(5*x) + $60(1*x) so lets solve for x.

so lets merge 40(5x) + 60(x) = 260(x)
6,500 = 260(x)

Divide both sides by 260. 6,500/260 = (260(x))/260 = 25

so lets plug it in. 6,500 = 40(5*25) + 60(1*25) = 5,000 + 1,500 = 6,500.

So the answer is 25!

Write down the equations you know!

40x + 60y = 6500
x = 5y

x = bootcut jeans
y = straight leg jeans

Replace 'x' with it's equation, then solve for y.

40(5y) + 60y = 6500
200y + 60y = 6500
260y = 6500
y = 25

Now plug that back into one of the original equations:

x = 5y
x = 5(25)
x = 125

125 = bootcut jeans
25 = straight leg jeans

Which of the following measurements issmallest?
a. 12 inches
b. 216 inches
c. 412 inches
d. 12/4 inches

Answers

I think it might be A

Evaluate the expression b/2-3 if b=8.

Answers

Answer:

-8

Step-by-step explanation:

b/2-3

substitute 8 for b

8/2-3

then solve

8/2-3

8/-1

-8

Emily simplified this expression. Expression: (5−2)2+23×4 Step 1: (3)2+23×4 Step 2: 9+23×4 Step 3: 9+9×4 Step 4: 9+36 Step 5: 45 Emily made a mistake. Which step shows her first mistake? Step 1 Step 2 Step 3 Step 4

Answers

Answer:

Step 2 shows Emily's first mistake.

Step-by-step explanation:

3(2) = 6

But instead of this Emily wrote 3(2) = 9.

Factor x3 ‒ 11x2 ‒ 7x + 77 by grouping. What is the resulting expression?a

(x2 ‒ 7)(x ‒ 11)

b

(x2 ‒ 7)(x + 11)

c

(x2 ‒ 11)(x + 7)

d

(x2 ‒ 11)(x ‒ 7)