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3 years ago

12

A rock climber climbs an average of 12.6 feet per minute. How many feet will the climber climb in 30 minutes? Write an equation

and Solve.

1 answer:

alexandr1967 [171]3 years ago

6 0

Answer:

378

Step-by-step explanation:

12.6 X 30= 378

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PLEASE HELP IS IT YVES?

artcher [175]

The answer is B. Carlos worked two hours and earned $20

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2 years ago

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P and q are different two-digit prime numbers with the same digits, but in reversed order. what is the value of the larger of p

serious [3.7K]

The set of two-digit primes is {11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97}

Of that list, the following primes are mirror images of each other
13 and 31
17 and 71
37 and 73
79 and 97
Note: we ignore 11 since 11 flips to 11 which is not distinct from its original

If you're looking for the largest prime of this form, then its 97
If you're looking for the largest gap, then subtract each pair
31-13 = 18
71-17 = 54
73-37 = 36
97-79 = 18
We see that 71 and 17 have the largest gap

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2 years ago

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In triangle ABC, BD bisects Angle ABC and AD is similar to CD. Tell what kind of triangle ABC must be

Anestetic [448]

A right triangle. Hope this helps.

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2 years ago

Un jardín rectangular de 50 cm de largo por 34 m de ancho está rodeado por un camino de arena uniforme.Halla la anchura de dicho

Anastasy [175]

Answer:

5.85 m

Step-by-step explanation:

The width of the sand road can be calculated knowing its area and the dimensions of the rectangular garden as follows:

$A_{g} = a.b$

<u>Where:</u>

Ag: is the area of the rectangular garden

a: is the length of the rectangular garden = 50 cm = 0.5 m

b: is the width of the rectangular garden = 34 m

$A_{s} = 540 m^{2}$

<u>Where</u>:

As: is the area of the sand road

The relation between the area of the sand road and the area of the rectangular garden is the following:

$A_{s} + A_{g} = (a+2x)*(b+2x)$

$540 m^{2} + 0.5m*34m = ab + 2ax + 2bx + 4x^{2}$

$557 m^{2} = ab + 2x(a + b) + 4x^{2}$

$557 m^{2} - 17m^{2} - 2x(34.5 m) - 4x^{2} = 0$

$540 - 69x - 4x^{2} = 0$

By solving the above equation for x we have two solutions:

x₁ = -23.10 m

x₂ = 5.85 m

Taking the positive value, we have that the width of the sand road is 5.85 m.

I hope it helps you!

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2 years ago

Noah spent 25 hours working on his car. He spent 4/5 of his time working on the transmission. How much time did Noah spend worki

xenn [34]

Answer:

5 hours

Step-by-step explanation:

4/5 is 20 of 25, so there are 5 hours left which is your answer!

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2 years ago