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umka2103 [35]
3 years ago
13

Amy can take 15 food orders in 45 minutes. How many minutes will 7 orders take?

Mathematics
1 answer:
Butoxors [25]3 years ago
8 0

Answer:

7 food orders in 21 minutes

Step-by-step explanation:

Well lets see. 15 food orders in 45 minutes. So, she can make 1 food order in 3 minutes. So times 7, she can make 7 food orders in 21 minutes.

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A student bought 1 box of crayons and 5 reams of paper for $54. She bought 5 boxes of crayons and 3 reams of paper for $50. What
irina1246 [14]

Answer:

A student bought 1 box of crayons and 5 reams of paper for $54 and 5 boxes of crayons and 3 reams of paper for $50.The cost of each box of crayon and each ream of paper will cost $4 for a box of crayons and $10 for a ream of paper.  hope this helps

7 0
3 years ago
Find an equation in standard form for the hyperbola with vertices at (0, ±10) and asymptotes at y=+- 5/4x.
Dennis_Churaev [7]
The equation of this hyperbola in standard form:
y² / a² + x² / b² = 1.
y = +/- a/b x
a / b = 5 / 4
a = 10
10 / b = 5 / 4
b = (10 · 4) : 5
b = 8
Answer:
The equation of the hyperbola is:
y² / 100 - x² / 64 = 1
5 0
3 years ago
Read 2 more answers
Which expression is equivalent to the given expression? Assume the denominator does not equal zero.
Hoochie [10]

Answer:

                                                       

Step-by-step explanation:

                                                                                                       

                                       

3 0
3 years ago
On a piece of paper graph y< x+1
iVinArrow [24]

Answer:

see attached graph

Step-by-step explanation:

8 0
3 years ago
2x³-8=0<br> How do I solve this problem ?
wlad13 [49]

Answer:

x=2^{\frac{2}{3}}

Step-by-step explanation:

1) Add 8 to both sides.

<em />2x^3=8

2) Divide both sides by 2.

x^3=\frac{8}{2}

3) Simplify \frac{8}{2} to 4.

x^3=4

4) Take the cube root of both sides.

x=\sqrt[3]{4}

5) Rewrite 4 as 2².

x=\sqrt[3]{2^2}

6) Use this rule: {({x}^{a})}^{b}={x}^{ab}.

x=2^{\frac{2}{3}}

Decimal Form: 1.587401

__________________________________________

Check the answer:

2x^3-8=0

1) Let x=2^\frac{2}{3}.

2(2^{\frac{2}{3} })-8=0

2) Use this rule: (x^a)^b=x^{ab}.

2\times2^{\frac{2\times3}{3} } -8=0

3) Simplify 2 * 3 to 6.

2\times2^{\frac{6}{3} } - 8  =0

4) Simplify 6/3 to 2.

2\times2^2-8=0

5) Use Product Rule: x^ax^b=x^{a+b}.

2^3-8=0

6) Simplify 2^3 to 8.

8 - 8 = 0

7) Simplify 8 - 8 to 0.

0 = 0

Thank you,

Eddie

5 0
1 year ago
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