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3 years ago

Unit 4 Test Study Guide (Congruent Triangles)

Mathematics

1 answer:

Anna007 [38]3 years ago

4 0

Answer:

yes use this to your advangtage yessss

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What is the height of a cone when the radius is 4 and the volume is 32

Lerok [7]

Answer:

1.9099

Step-by-step explanation:

V = (PI) * r^2 * (h/3)

32 = (PI) * (16) * (h/3)

6/PI = h

1.9099 = h

7 0

3 years ago

Read 2 more answers

Two sides of a triangle measure 9 cm and 23 cm what could be the measurement of the third side of the triangle

Vladimir79 [104]

Pythagorean Theorem: a^2+b^2=c^2
(9)^2 + b^2 = (23)^2
81 + b^2 = 529
b^2 = 529 - 81
b^2 = 448
b^2 =
$\sqrt{448}$
b = 21.2

6 0

3 years ago

Simplify<br> 7^8x7^3x7^4/7^9x7^5

MArishka [77]

Please take a photo of this problem... it looks very hard when it is written in the way you did.

<h3>If I am reading this correctly the answer should be 1,977,326,743x^3</h3>

3 0

4 years ago

Read 2 more answers

There are a total of 78 baseball and football cards in a box. The ratio of baseball cards to football cards 8 to 5. How many bas

Ierofanga [76]

8 baseball cards + 5 football cards= 13 cards
8 baseball cards per every 13 total cards.
78÷13=6
6×8= 48
48 Baseball Cards in total

7 0

4 years ago

Read 2 more answers

If your invest $150 at 7% interest compounded annually,in how many years will you have $400?. Give your answer of the nearest te

taurus [48]

Answer:

14.5 years.

Step-by-step explanation:

Given that you invest $150 at 7% interest compounded annually. Now we need to find about in how many years will you have $400. Then round the answer ot the nearest tenth of a year.

So plug the given values into compound interest formula.

$A=P\left(1+r\right)^t$

$400=150\left(1+0.07\right)^t$

$\frac{400}{150}=\left(1+0.07\right)^t$

$\ln\left(\frac{400}{150}\right)=\ln\left(1+0.07\right)^t$

$\ln\left(\frac{400}{150}\right)=\ln\left(1.07\right)^t$

$\ln\left(\frac{400}{150}\right)=t\cdot\ln\left(1.07\right)$

$\frac{\ln\left(\frac{400}{150}\right)}{\ln\left(1.07\right)}=t$

$14.4967313882=t$

Which is approx 14.5 years.

8 0

4 years ago