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pav-90 [236]
3 years ago
11

(Show your work please!)

Mathematics
1 answer:
asambeis [7]3 years ago
7 0
3) tan(?) = 9/21
   ? = arctan(9/21)
   ? ≈ 23.20°

4) sine and cosine are equal for complementary angles.
   θ = 90° - 32°
   θ = 58°
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Pauline withdrew $7.50 from her savings account every day for 3 days. Which expression is the best choice to help her determine
artcher [175]

Answer:

\$(-7.50)(3\ days)= - 22.50

Step-by-step explanation:

Given: Pauline withdrew $7.50 each day from her saving account.

          She withdrew money for 3 days.

As Pauline is withdrawing the money, therefore the amount will be in negative

Now finding the expression for total amount of money withdrew.

Total money withdrew = (Money\ withdrew\ each\ day)\times (number\ of\ day)

∴ Total money withdrew = \$ -7.50\times 3\ days= - 22.50

Hence, the expression to determine the total amount of money she withdrew is (-7.50)(3)= -22.5 and Total money she withdrew is -$22.5

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%20%5Cfrac%7B1%7D%7B2%7D%20%20%2B%20%20%5Cfrac%7B1%7D%7B4%7D%20" id="TexFormula1" title="
Luba_88 [7]
Answer: 3/4

Explanation: Find a common denominator (bottom number) for both fractions. 4. Multiply the 1 and 2 in 1/2 to get 2/4. Then just add the numerators (top number). This gives you 3/4.
I noticed you also said show me how to multiply. For fractions, you just mutiply the numeration and denominator apart.
1 x 1 1
- - = -
2x 4 8
6 0
2 years ago
Read 2 more answers
Select the numbers that have a factor of 6
Mnenie [13.5K]
<em>1, 2, 3, 6</em>

A factor is a <span>number we </span>multiply together<span> to get another number.</span>
7 0
3 years ago
Please help with A.
Furkat [3]

Answer:

ok so I dont have the answer but I suggest if u can u do the tutor they help a lot u can only ask 1 question per session but trust me it's helpful

they also say the answer at the end

so first they explain how to get the answer like they do the math

3 0
3 years ago
The center of a circle is at the origin on a coordinate grid. A line with a positive slope intersects the circle at (0, 7). Whic
denis23 [38]

The true statement is the circle has the radius equal to 7.

<h3>What is Equation of circle?</h3>

The general equation for a circle is (x-h)² + (y-k)² = r², where ( h, k ) is the center and r is the radius.

As, standard form of equation of circle is

(x-h)² + (y-k)² = r²

At origin, equation of circle will be

(0-h)² + (0-k)² = r²

r² = x² + y²

Now, The line intersects the circle at (0,7)

r² = 0² + 7²

r² =49

r=7.

Hence, the circle has the radius equal to 7.

Learn more about this concept here:

brainly.com/question/11702700

#SPJ1

3 0
2 years ago
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