Two times Antonio’s age plus three times Sarah’s age equals 34. Sarah’s age is also five times Antonio’s age. How old is Sarah?

Answers

Answer 1

Answer: Let Sarah's age be s and Antonio's age be a.

According to your question,

2a + 3s = 34
s = 5a

substituting the value of s in eq. 1,

2a + 3(5a) = 34

= 2a + 15 a = 34

17a = 34

thus, a = 34/17 = 2

substituting the value of a is s,

s = 5(2)
= 10

Thus, Sarah's age is 10 years and Antonio's age is 2 years.

Answer 2

Answer:

Answer:

sarah is 10

Step-by-step explanation:

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I need to solve for x and y. Any help is greatly appreciated! Thank you!

Answers

x=-3, y=1

Step-by-step explanation:

Given equations are:

2x-3y=-9 Eqn 1

x+y = - 2 Eqn 2

From eqn 2:

$x=-y-2$

Putting x=-y-2 in eqn 1

$2(-y-2)-3y=-9\n-2y+4-3y=-9\n-5y-4=-9\nAdding\ 4\ on\ both\ sides\n-5y-4+4=-9+4\n-5y=-5\nDividing\ both\ sides\ by\ -5(-5y)/(-5)=(-5)/(-5)\ny=1\nPutting\ y=1\ in\ eqn\ 2\nx+1=-2\nSubtracting\ 1\ from\ both\ sides\nx+1-1=-2-1\nx=-3$

Hence,

x=-3, y=1

Keywords: Linear equations, Variables

Learn more about linear equations at:

#LearnwithBrainly

Find the next term ?

Answers

Answer:

$\large\boxed{(8)/(5)=1.6}$

Step-by-step explanation:

$a_1=25\n\na_2=(2)/(5)\cdot25=(2)(5)=10\n\na_3=(2)/(5)\cdot10=(2)(2)=4\n\na_4=(2)/(5)\cdot4=(8)/(5)=1.6$

Answer: I think it's 0 but I'm not sure. What are some of the other possibilities?

Step-by-step explanation:

7/8 × c for c = 8 algebra

Answers

you would do 7/8 x 8/1 which is 56/8 which simplifys to 7 so your answer would be 7

Jenelle sells pillows for a sale she marked him down 5% right to ask prescient that represent the sale price of pillows if the original price of a pillow is 15 what is the sale price

Answers

14.25.
If she marked them down by 5% people still have to pay 95% of the price. So you do 15*.95=14.25

$\text{We're trying to find the cost of the pillow after the markdown}\n\n\text{We know that the original cost of a pillow is \$15}\n\n\text{We also know that the customer was marked 5\% down from the}\n\text{original cost}\n\n\text{To find the cost, multiply 15 by 0.05 and subtract}\n\n15*0.05=0.75\n\n15-0.75 = 14.25\n\n\boxed{\$14.25}$

Write 65300 in scientific notation.

Answers

To format your number in this way, we'll divide the 65300 by 10, 4time(s), making it a 6.53.
We do this, because each division by 10 moves the decimal point to the left one digit.
But in order to keep our number the same number, we must have a × 104 next to the 6.53.

So, the final answer is 6.53 × 104

Scientific Notation= 6.53 x 104

Hope this helps. (:

$65,300=6.53\cdot10^4$

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