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Arada [10]
3 years ago
15

Jenny earned 92 of a possible 120 points on a test. She lost 4 points for each

Mathematics
2 answers:
Kryger [21]3 years ago
7 0
Jenny missed 7 problems on the 120 point test
kifflom [539]3 years ago
6 0
120 - 92 = 28
28/4 = 7
Jenny had 7 incorrect answers.

Hope this helps :)
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Lyra and Donna are testing the two-way radios they built for their high school science project. Lyra goes to the top of a buildi
nata0808 [166]
This question is far easier to understand if we draw it out. I've included an image attachment to help show the relationships of the measurements. As we can see from the image, their positioning helps form a triangle that we can use the Pythagorean Theorem to find the connection range.
The Theorem is a^2 + b^2 = c^2 where a and b are the legs and c is the hypotenuse.

22^2 + 50^2 = c^2
484 + 2500 = c^2
2984= c^2
\sqrt{2984} = c
54.63 = c
So the answer to the nearest meter is 55 meters.

5 0
3 years ago
PLEASE HELP ASAP<br><br> Find the value of x. Then, find the measure of each angle.
andriy [413]

Answer:

x = 16°

H = 46°

I = 55°

J = 39°

Step-by-step explanation:

Since the whole figure is 180°

Deduct 180 by the numbers mentioned above in order to find x.

180 - 2 - 9 - 9 = 160

3x + 4x + 3x = 10x

10 x = 160

x = 160 ÷ 10 = 16

Since we know what x is, we can find all the angles in the figure.

Angle at H = 3 x 16 - 2 = 46°

Angle at I = 4 x 16 - 9 = 55°

Angle at J = 3 x 16 - 9 = 39°

5 0
3 years ago
Read 2 more answers
Keshawn is asked to compare and contrast the domain and range for the two functions.
scoray [572]
For the function 5x, the range is the value of f(x) which is five times the x and the domain is the value of x which can be the ratio of f(x) and 5. For the second function which is g(x) = 5, the range is 5 all through out the graph while the domain is infinity.
5 0
3 years ago
Which recursive formula can be used to generate the sequence shown, where f(1) = 5 and n &gt; 1?
saveliy_v [14]

You can try them out and see which one works.

a: f(2) = f(1) +6 = 5+6 = 11 . . . . . . not this one

b: f(1) = f(2) -6 = -1-6 = -7 . . . . . . not this one (5 ≠ -7)

c: f(2) = f(1) - 6 = 5 - 6 = -1 . . . . . this gives the right f(2)

d: f(2 = -6(f(1) = -6(5) = -30 . . . . not this one

_____

The appropriate choice is ...

... f(n +1) = f(n) - 6

— — — — — 

You can also recognize that the next term is 6 less than the current one, so f(n+1) = f(n) - 6, which corresponds to the 3rd selection.

7 0
3 years ago
Read 2 more answers
F(x)=-3x+21,find x when f(x)=6
balu736 [363]

Answer:

x=5

Step-by-step explanation:

F(x)=-3x+21,

f(x)=6 = -3x+21

6 = -3x+21

Subtract 21 from each side

6-21 = -3x+21-21

-15 = -3x

Divide each side by -3

-15/-3 = -3x/-3

5 = x

6 0
3 years ago
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