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NikAS [45]
3 years ago
14

PLZ HELP!!!!

Mathematics
2 answers:
8090 [49]3 years ago
7 0
D. 6 because they will cancel each other out by one being negative and one being positive
skad [1K]3 years ago
4 0
The amasser should be D. 6 because if you add -6 to 6 they cancel out and your left with 0
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HELP MEEEEEEEEEEE PLZZZZZZ I NEEEEED ANSWER RIGHT NOWWWWW
lara31 [8.8K]

Answer:

Therefore the measure of∠ A is 60.07.

Step-by-step explanation:

Given:

In Right Angle Triangle ABC

∠ B = 90°

BC = 13   ....Side opposite to angle A

AC = 15  .... Hypotenuse

To Find:

m∠A = ?

Solution:

In Right Angle Triangle ABC ,Sine Identity,

\sin A = \dfrac{\textrm{side opposite to angle A}}{Hypotenuse}\\

Substituting the values we get

\sin A = \dfrac{BC}{AC}=\dfrac{13}{15}=0.8666\\\\A=\sin^{-1}(0.8666)=60.065\\\\m\angle A=60.07\°

Therefore the measure of∠ A is 60.07

6 0
2 years ago
SOMEONE HELPPPP MEEEEE PLzzzzzzz
fiasKO [112]

It would be 4. Multiply each side by -1/5.

It would cancel out the -1/5 leaving -15 = x.

4 0
2 years ago
Read 2 more answers
-4x - 28y=56 4x + 14y=-28
ddd [48]
Adding the 2 equations will eliminate x because -4x + 4x = 0
so we get
-14y = 28
y = -2
plug this into the second euqtion:-
4x + 14(-2) = -28
4x  - 28 = -28 
x = 0

answer is x = 0 , y = -2
4 0
3 years ago
the ratio of adults to children attending a new exhibit at the museum was found to be 8:5. based on this ratio if 390 people att
LenaWriter [7]

999

why becuase thats the answer mine had

5 0
2 years ago
FIRST ONE TO ANSWER GETS BRAINLIEST!!!!
-Dominant- [34]

Answer:

The maximum distance traveled is 4.73 meters in 0.23 seconds.

Step-by-step explanation:

We have that the distance traveled with respect to time is given by the function,

d(t) = 4.9t^2-2.3t+5.

Now, differentiating this function with respect to time 't', we get,

d'(t)=9.8t-2.3

Equating d'(t) by 0 gives,

9.8t - 2.3 = 0

i.e. 9.8t = 2.3

i.e. t = 0.23 seconds

Substitute this value in d'(t) gives,

d'(t) = 9.8 × 0.23 - 2.3

d'(t) = 2.254 - 2.3

d'(t) = -0.046.

As, d'(t) < 0, we get that the function has the maximum value at t = 0.23 seconds.

Thus, the maximum distance the skateboard can travel is given by,

d(t) = 4.9\times 0.23^2-2.3\times 0.23+5.

i.e. d(t) = 4.9\times 0.0529-2.3\times 0.23+5.

i.e. d(t) = 0.25921-0.529+5.

i.e. d(t) = 0.25921-0.529+5.

i.e. d(t) = 4.73021

Hence, the maximum distance traveled is 4.73 meters in 0.23 seconds.

5 0
3 years ago
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