In the triangles, and .

Mathematics

2 answers:

brilliants [131]2 years ago

4 0

Longer than the triangles , but shorter triangles, are bigger than eachother but same same and no different shape .

Travka [436]2 years ago

3 0

Answer:

answer is B just got 100%

Step-by-step explanation:

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Find the height of a right square pyramid that has a rectangular base area of 70 square units and a volume of 140 cubic units.

Lostsunrise [7]

Answer:

B. 6 units

Step-by-step explanation:

$V = {a}^{2} \frac{h}{3} \\ \\ 140 = 70( \frac{h}{3}) \\ \\ 6 = h \\ \\ 140 = 70(2)$

I am joyous to assist you anytime.

5 0

3 years ago

Please help. Will give brainliest.

evablogger [386]

Alright, so you have the basic formula- good.
You have the A value (400), the interest rate r (7.5% -> .075 in decimal), and the final P value (8500). So, we only need to solve for t.

8500 = (400)(1+.075)^t
/400 /400
21.25 = 1.075^t
logarithms are the inverse of exponents, basically, if you have an example like
y = b^x, then a logarithm inverts it, logy(baseb)=x
Makes sense if you consider a power of ten.
1000 = 10^3
if you put logbase10(1000), you'll get 3.
Anyways, though, to solve the problem make a log with a base of 1.075 in your calculator
log21.25(base 1.075) = t
also, because of rules of change of base (might want to look this up to clarify), you can write this as log(21.25)/log(1.075) = t
Thus, t is 42.26118551.
Rounded to hundredths, t=42.26

6 0

2 years ago

How does the graph of y = sec(x + 3) – 7 compare with the graph of y = sec(x)?

Alla [95]

Answer:

The function y = sec(x) shifted 3 units left and 7 units down .

Step-by-step explanation:

Given the function: y = sec(x)

If k is any positive real number, then the graph of f(x) - k is the graph of y = f(x) shifted downward k units.

If p is a positive real number, then the graph of f(x+p) is the graph of y=f(x) shifted to the left p units.

The function $y = \sec(x+3)-7$ comes from the base function y= sec(x).

Since 3 is added added on the inside, this is a horizontal shift Left 3 unit, and since 7 is subtracted on the outside, this is a vertical shift down 7 units.

Therefore, the transformation on the given function is shifted 3 units left and 7 units down

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ollegr [7]

The answer is 0.304762

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3 years ago

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