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Salsk061 [2.6K]
3 years ago
13

Jill jumped 6

Mathematics
1 answer:
MatroZZZ [7]3 years ago
6 0

Answer:

44 ft

Step-by-step explanation:

You would subtract 657 - 613

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13) Your parents give you a weekly allowance
Tamiku [17]

Answer:

look it up

Step-by-step explanation:

6 0
3 years ago
A water wheel has a radius measuring between 13 feet and 24 feet. The wheel is able to turn 7π9 radians from its starting positi
madam [21]

Answer:

31.76 ft and 58.64 ft

Step-by-step explanation:

The radius measures between 13 feet and 24 feet.

The wheel is able to turn 7π/9 radians before getting stuck.

We need to find the range of distances that the wheel could spin before getting stuck. That is, the length of arc.

Length of an arc is given as:

L = \frac{\theta}{2\pi} * 2\pi r

where θ = central angle = 7π/9 radians

r = radius of the circle

Therefore, for 13 feet:

L = \frac{7\pi}{18 \pi} * 2 * \pi * 13\\\\L = 31.76 ft

For 24 feet:

L = \frac{7\pi}{18 \pi} * 2 * \pi * 24\\\\L = 58.64 ft

The wheel could spin between 31.76 ft and 58.64 ft before getting stuck.

4 0
3 years ago
A jar contains 770 beans. Of them, 350 are mung beans and the rest are kidney beans. What is the ratio of mung beans to all the
MatroZZZ [7]

Answer:

5 MB : 16 B

Step-by-step explanation:

First, find the GCF of 770 and 350. ( 70 )

Next, divide both numbers by 70

770 / 70  = 11 Kidney beans

350 / 70 = 5 Mung beans

It says ratio of mung beans to <u>all</u> beans.

11 KB + 5 MB = 16 B

5 Mung beans to 16 Beans

:)

3 0
3 years ago
Write the standard form of the quadratic equation modeled by the points shown in the table below. x -1 0 1 2 3 y -20 -6 2 4 0
disa [49]
We know that
The Standard Form of a Quadratic Equation<span> looks like this
</span> ax²<span> + bx + c = 0
</span>
we have 
<span>x -1    0 1 2 3
y -20 -6 2 4 0

for x=0   y=-6
then
</span> y=ax² + bx + c -------->  -6=a*0² + b*0 + c ---------> c=-6

for y=0  x=3
then
 y=ax² + bx + c------->  0=a*3² + b*3 -6---------> 9a+3b=6----> equation 1

for x=2  y=4

then

 y=ax² + bx + c-----> 4=a*2² + b*2 -6-----> 4=4a+2b-6-----> 4a+2b=10----> a=2.5-0.5b----> equation 2

 

I substitute 2 in 1

9*[2.5-0.5b]+3b=6------> 22.5-4.5b+3b=6------> 1.5b=16.5------> b=11

a=2.5-0.5*11------> a=2.5-5.5------> a=-3

The Standard Form of a Quadratic Equation is

 ax² + bx + c = 0--------> -3x²+11x-6=0


the answer is

-3x²+11x-6=0

 See the attached figure 


5 0
3 years ago
PLZZ HELP! Sara selects two cards at random from a standard deck of fifty-two cards. Which of the following could be used to cal
patriot [66]

Answer:

91

Step-by-step explanation:

it takes to long to explain

5 0
3 years ago
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