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timama [110]
3 years ago
14

Justin runs at a constant rate, traveling 17km in 2 hours whats the equation

Mathematics
2 answers:
anzhelika [568]3 years ago
8 0
17km/2hours   =8.5 kph
Elodia [21]3 years ago
6 0
If you mean how much he travels in one hour
17km/2 h=8.5 km/hour
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4 0
3 years ago
Find the vertex of the parabola whose equation is y = x^2 + 8x + 12.
horsena [70]
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4 0
3 years ago
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If f (x) = 3, what is the value of f (-7)<br><br> A. x -10<br> B. 3<br> C. -4<br> D. -21
Gemiola [76]

Answer:

D

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7 0
3 years ago
The radio of boys to girls in Miss ronilo's math class is 3 to 1 what percent of the classes is girls
9966 [12]

Imagine that the class only had 4 students (unrealistic most likely, but small numbers help much better I think)

If we had 4 students and 3 were boys, then 4-3 = 1 girl is in the class. This makes the ratio of boys to girls be 3 to 1. In other words, there are 3 times as many boys compared to girls.

Divide the number of girls (1) over the number of students total (4) to get 1/4 = 0.25 = 25%

<h3>Answer: 25%</h3>
5 0
3 years ago
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Petra was given 12 yards of fabric to make costumes for the school play if each costume requires 1 1/2 yards how many costumes c
solmaris [256]

Petra can make 8 costumes with 12 yards of fabric

<h3><u>Solution:</u></h3>

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The number of costume Petra can make is calculated by dividing the total fabric she has by fabric needed for one costume

\text {number of costume Petra can make }=\frac{\text {total fabric she has }}{\text {fabric needed for one costume }}

Total fabric she has = 12 yards

Fabric needed for 1 costume = 1\frac{1}{2} = \frac{2 \times 1 + 1}{2} = \frac{3}{2} yards

Therefore,

\text {number of costume Petra can make }=\frac{12}{3 / 2}=\frac{12}{3} \times 2=8

Thus petra can make 8 costumes with 12 yards of fabric

7 0
3 years ago
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