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3 years ago

15

Look at this graph: What is the slope? Simplify your answer and write it as a proper fraction, improper fraction, or integer. Su

bmit

2 answers:

Nana76 [90]3 years ago

6 0

1/2 because once the line reaches one, it goes up 1/2

lesya [120]3 years ago

5 0

The slope is 1/2 because to find a slope on a graph you use Rise/Run. So in this case it rise 1 and goes over 2

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Use substitution to solve the system.

Stella [2.4K]

X=2y+11 and 4x+3y=11 so choose one of them. I choose x=2y+11 and solve it like this 4(2y+11)+3y=11
8y+44+3y=11
11y=-33
y=-3

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4 years ago

Chad casts a shadow that is 14.3 feet long. The straight-line distance from the top of Chad’s head to the end of the shadow crea

Elan Coil [88]

Imagine right triangle with first leg to be the Chad length and second leg to be the Chad's shadow. Second leg has length 14.3 ft and since t<span>he straight-line distance from the top of Chad’s head to the end of the shadow creates a 23° angle with the ground, you could consider the trigonmetric function
</span>
$\tan 23^{\circ}= \dfrac{\text{Chad's length}}{\text{Chad's shadow length}}$ ,

then $\tan 23^{\circ}= \dfrac{\text{Chad's length}}{14.3}, \\ \text{Chad's length}=14.3\cdot \tan 23^{\circ}=6.1$ .<span />

4 0

3 years ago

PLS HELP an ice cream shop sells 5 times as many cake cones as waffle cones use variable x to represent the number of waffle the

rusak2 [61]

Answer:

5x

Step-by-step explanation:

x = number of waffle cones the shop sells

cake cones = 5 times the number of waffle cones

cake cones = 5x

3 0

3 years ago

Find the measure of the angle

iragen [17]

The measure of the angle is 165 degrees.

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2 years ago

You and your friend are in a canoe race. Your friend is a half mile in front of you and paddling 3 miles per hour. You are paddl

Anit [1.1K]

Answer:

a. 1.25 hours

b. 0.5 miles ahead

Step-by-step explanation:

This problem can be easily solved with the use of relative speed, then a problem of two bodies become a problem of one object.

The relative speed between two objects moving in the same direction is:

$v_{r}=|v_{a}-v_{b}|$

In the problem:

$v_{r}=|3mi/h-3.4mi/h|=0.4 mi/h\\$

What this relative speed means is the speed at which you are catching your friend up, then in order to catch your friend up you need to paddle the distance your friend is in front of you.

The time necesary to catch your friend up is:

$t=\frac{distance}{v_{r}} =\frac{0.5miles}{0.4\frac{miles}{h} } =1.25 hours$

The distance that you paddle in order to cath your friend up is:

$d=vt=3.4\frac{miles}{h}(1.25h)=4.25 miles$

Then you are 4.25 miles from the finish line (8.5 miles - 4.25 miles) when you catch your friend up. The time necesary to cross the finish line is:

$t=\frac{distance}{v}=\frac{4.25 miles}{3.4 \frac{miles}{h} }=1.25 hours$

In that time, your friend will paddle:

$d=v_{friend}t=3\frac{miles}{h}1.25 h = 3.75 miles$

Then, when you cross the finish line you will be 0.5 miles ahead of your friend (4.25 miles - 3.75 miles).

7 0

4 years ago