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Ber [7]
3 years ago
15

Find the exact value of sinA in simplest radical form.

Mathematics
1 answer:
Ahat [919]3 years ago
3 0

Answer:

√7 / 4.

Step-by-step explanation:

Sin A = opposite side/ hypotenuse

= √63 / 12

= √9√7 / 12

=   3√7 / 12

=  √7 / 4.

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Pam spelled 68 of 100 words correctly on the pretest. How many words did she miss? If she learns 8 of those each day, how long w
Fofino [41]

Answer:

Pam missed 32 words in her pretest.

It will take 4 days for Pam to learn all missed words.

Step-by-step explanation:

Given:

Number of words spelled correctly = 68

Total number of words on the pretest = 100

We need to find the number of words she missed.

Solution:

now we can say that;

Number of words she missed can be calculated by subtracting Number of words spelled correctly from Total number of words on the pretest.

framing in equation form we get;

Number of words she missed = 100 -68 =32\ words

Hence Pam missed 32 words in her pretest.

Now Given:

Number of words missed learned each day = 8

Total number of words missed = 32 words.

We need to find how long will take to learn them all.

now we can say that;

days required to learn missed words is equal to total number of words missed divided by Number of words missed learned each day.

framing in equation form we get;

Days required to learn missed words = \frac{32}{8}=4\ days

Hence It will take 4 days for Pam to learn all missed words.

3 0
3 years ago
Solve the equation.<br> 7x2 + 5 - x = 6x2 + 10<br> X =
GarryVolchara [31]

Answer:

x = -5

Step-by-step explanation:

7 × 2 + 5 - x = 6 × 2 + 10

Multiply.

14 + 5 - x = 12 + 10.

Combine like terms.

19 - x = 24

Isolate x (I'm going to add x and subtract 24 from both sides to avoid changing signs)

-5 = x

Final answer

x = -5

8 0
3 years ago
DJ has $24 more than twice as much as Tucker. Together they have $132. How much does DJ have?
Elanso [62]
$84 because you do 132 - 24 then rhat answer- 24
6 0
4 years ago
A rectangle has a height of 3 and width of 3x^2+ 4 <br> what is the area?
Novosadov [1.4K]

Answer:

9x² + 12

Step-by-step explanation:

Area  = Length × Width

Area = 3 × (3x² + 4)

Area = 9x² + 12

5 0
4 years ago
Read 2 more answers
Find the value of x. Show all work.
Viefleur [7K]

Answer and Step-by-step explanation:

Answer and Step-by-step explanation:

We are given an isosceles triangle, shown by the fact that there are two red marks on two sides, indicating that the sides are congruent in length, which means the base angles are congruent as well.

Add the angles together and equal it to 180.

34 + x + 81 + x + 81 = 180

Simplify.

115 + 2x = 180

Subtract 115 from both sides of the equation.

2x = 65

Divide both sides of the equation by 2.

x = 32.5 is the answer.

#teamtrees #PAW (Plant And Water)

8 0
3 years ago
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