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3 years ago

This is all they gave me PLZ HELP

Mathematics

1 answer:

IRINA_888 [86]3 years ago

5 0

1. 0.0508 meter

5.08 centimeter

50.8 millimeter

0.0000508 kilometer

0.05555556 yard

0.16666667 foot

0.00003157 mile

Remember, when you are converting from large to small you divide

And when you do smaller to large you multiply

2. If the plants are starting at -3, I would say that the plants can grow further down past negative three.

I would draw an open circle at -3, then have the arrow pointing to the left. This shows that the roots can grow lower than -3.

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The ratio of Holly's age to that her aunt is 4:9. When holly was born her aunt was 15 years old. How old is holly's aunt now?

Lyrx [107]

Answer:

27 years

Step-by-step explanation:

Let Holly's age be h and Aunt's age be a. We can setup 2 equations and solve.

1. $\frac{h}{a}=\frac{4}{9}$

2. a - 15 = h

We can plug in equation 2 into equation 1 to solve for aunt's age:

$\frac{h}{a}=\frac{4}{9}\\\frac{a-15}{a}=\frac{4}{9}\\9(a-15)=4a\\9a-135=4a\\5a=135\\a=\frac{135}{5}=27$

Holly's aunt's age is 27

3 0

4 years ago

Find the factorization of the polynomial below.

Marina CMI [18]

Using slip and slide
2x^2+7x+6
x^2+7x+12
(x+3)(x+4)
(2x+3)(x+2)
The best answer is none of the above.
When foiling the answer choices,
A: 2x^2+10x+8
B: 2x^2+8x+6
C: 2x^2+5x+3
D: 4x^2+10x+6

3 0

3 years ago

A weather station on the top of a mountain reports that the temperature is currently 0°C and has been falling at a constant rate

MA_775_DIABLO [31]

Answer:

1 hour ago would be 3C.

3 hours ago would be 9C.

4.5 hours ago would be 13.5

Step-by-step explanation:

5 0

3 years ago

Michelle buys a rug for $36 and sells it for $90. What was the value of her markup, expressed as a percent?

Rama09 [41]

Her markup was about 60%.

4 0

4 years ago

Read 2 more answers

There are a total of 15 dimes and quarters in a covered cup. The value of all 15 coins totals 2.85

QveST [7]

Answer:

There are 6 dimes and 9 quarters.

Step-by-step explanation:

Represent the number of dimes and the number of quarters by d and q.

Then d + q = 15, or q = 15 - d.

Also, ($0.25)q + ($0.10)d = $2.85, or 5q + 2d = 57.

Substituding 15 - d for q, we get 5(15 - d) + 2d = 57, or

75 - 5d + 2d = 57, or

75 - 3d = 57, or

3d = 18. Thus, there are 6 dimes. Since q = 15 - d, q = 15 - 6 = 9.

There are 6 dimes and 9 quarters.

6 0

4 years ago