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3 years ago

Raiz cuadrada de 49?

Mathematics

1 answer:

beks73 [17]3 years ago

5 0

Respuesta para tu pregunta jaja

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A length is measured at 21 cm correct to two significant figures, what is the lower bound of the length and upper bound?

Andreyy89

Answer:

20.5 and 21.5

Step-by-step explanation:

It says 2 significant figures so the least it can possibly be is 0.5 less and the most it can be is 0.5 more as if it was, lets say 20.4 it would round down to 20 not 21.

7 0

3 years ago

Need help ^^^^^^^^^^

NeX [460]

The answer is B. 2y+3
this is proven by multiplying the divisor of the original question and the solution
$(y-5)(2y+3)
 2y^{2}+3y-10y-15
 2y^{2}-7y-15$

4 0

4 years ago

Which number is halfway between

Anarel [89]

You are looking for the average. To find the average, one adds all terms and divides by the number of terms.
((1/2)+(5/6))/2
((3/6)+(5/6))/2
(8/6)/2
(4/6)
(2/3)
The answer is B) 2/3.

6 0

3 years ago

Jordan mixed together 9 gal. of Brand A fruit drink and 8 gal. of Brand B fruit drink which contains 48% fruit juice. Find the j

Pie

Answer:

Step-by-step explanation:

You do this by figuring out the amounts of pure fruit juice in all.

Explanation:

Mixture:

17 gal 30% contains:

⋅

100

5.10

gal pure juice

From Brand B:

8 gal 48% contains:

⋅

100

3.84

gal pure juice

5.10

−

3.84

1.26

gal came from 9 gal of brand A

So the percentage of A is:

1.26

⋅

100

pure juice.

Mark brainliest if this answer is correct please

8 0

3 years ago

PLEASE HELP I AM STUCK ON THIS

Fofino [41]

Answer:

Step-by-step explanation:

This is a right triangle problem. The reference angle is x, the side opposite the reference angle is 32, and the hypotenuse is 58. The trig ratio that relates the side opposite a reference angle to the hypotenuse is the sin. Filling in accordingly:

$sin(x)=\frac{32}{58}$

Because you are looking for a missing angle, you will use your 2nd button and then the sin button to see on your display:

$sin^{-1}($

Within the parenthesis enter the 32/58 and you'll get your angle measure. Make sure your calculator is in degree mode, not radian mode!!!

4 0

4 years ago