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denpristay [2]
3 years ago
10

I need you to answer this question really fast and be 100% accurate!!!

Mathematics
2 answers:
Oksanka [162]3 years ago
5 0

Answer:

I am not sure to my answer

Mariulka [41]3 years ago
4 0

Let...

length = x

width = y

We can make two equations from the information.

2x + 2y = 32 ----> x = 16-y

xy=60

Substitute "16-y" for x in the second equation and...

(16-y)y = 60

16y-y² = 60

y²-16y+60=0

(y-10)(y-6)=0

y=10,6

Width can be 6 or 10 ft and length as well so the dimensions are...

answer: 6 feet by 10 feet

Hope u find this helpful.

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Jamie has 100 milliliters of a 50% isopropyl alcohol solution. How many milliliters of a 96% isopropyl alcohol solution does she
serious [3.7K]

Answer:

318.2 ml

Step-by-step explanation:

Jamie has 100 ml of a 50% isopropyl alcohol solution.

She wants to prepare a solution of 85% by adding 96% solution of isopropyl alcohol solution.

Let the amount of 96% solution required = x ml

Final amount of 85% isopropyl alcohol solution = (100 + x) ml

Therefore, equation for this situation will be,

100 × (50%) + (x) × (96%) = (100 + x) × (85%)

100(0.5) + 0.96x = 0.85(100 + x)

50 + 0.96x = 85 + 0.85x

0.96x - 0.85x = 85 - 50

0.11x = 35

x = \frac{35}{0.11}

x = 318.18 ml

  ≈ 318.2 ml

Therefore, she will require 318.2 ml of 96% isopropyl alcohol solution.

4 0
3 years ago
What is the x-intercept of the graph whose equation is y+1=x3 ?
Illusion [34]

Answer:

the equation is y= 3x - 1

Step-by-step explanation:

to find the intersection with x just substitute 0 to Y.

0=3x-1

3x=1

x=1/3

8 0
2 years ago
Figure a is dilated by a scale factor of 1/2 to form figure b. What is the length of x?
PIT_PIT [208]

Answer:

The correct option is 3. The value of x is 8 inches.

Step-by-step explanation:

It is given that Figure A is dilated by a scale factor of 1/2 to form Figure B. It means both figure are similar and corresponding sides of similar figures are proportional.

\text{scale factor}=\frac{\text{Side of image}}{\text{Side of preimage}}

\frac{1}{2}=\frac{x}{16}

Multiply both sides by 16.

\frac{16}{2}=x

8=x

Since scale factor is 1/2, so we can directly say that the side length of image is half of the corresponding side of preimage.

The length of x is 8 inches. Therefore the correct option is 3.

3 0
3 years ago
Read 2 more answers
What is 1423 divided bye 789
DedPeter [7]

Answer:

1.8

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Help me please thank you
oee [108]

Hello from MrBillDoesMath!

Answer:

2(x+8) = 40


Discussion:

Rewrite the original Question as

" Twice the (sum of a number and 8) is 40"   =>

2                ( x                              +    8 ) = 40 =>

2 (x+8) = 40


which is the third bullet point from the top


Thank you,

MrB

7 0
3 years ago
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