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3 years ago

What is the height of a triangle that has an area of 60 yd2 and a base with a length of 12 yd?

1 answer:

5 0

The height is 10yd. 60 is the are of the triangle and the formula for finding the area is b*h1/2=area so you have to multiply 60 by 2 then dived the answer you get by 12 to find out the length. Hope this helps!

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Drupady [299]

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3 years ago

Tracy received a score of 85% on her quiz. If Tracey answered 9 questions incorrectly, how many questions were on her quiz?

Vikki [24]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

5. If f(x) = -x2 - 7x +4 and g(x) = -5x - 3, what is the value of f(-2)-g(6)

Alex787 [66]

9514 1404 393

Answer:

Step-by-step explanation:

Evaluate the functions and find the required difference.

f(-2) = -(-2)^2 -7(-2) +4 = -4 +14 +4 = 14

g(6) = -5(6) -3 = -33

Then the difference is ...

f(-2) -g(6) = 14 -(-33) = 14 +33 = 47

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3 years ago

For each sentence below, find the value of x that makes each sentence true.

vitfil [10]

ANSWER

1. $x=\frac{1}{2}$

2. $x=1$

QUESTION 1

The first sentence is $(5^{\frac{1}{5}})^5=25^x$ .

Recall that;

$(a^m)^n=a^{mn}$

We simplify the left hand side by applying this property to get;

$5^{\frac{1}{5}\times 5}=25^x$ .

$\Rightarrow 5^{1}=25^x$ .

We now rewrite the right hand side too in an index form to obtain;

$\Rightarrow 5^{1}=5^{2x}$

We now equate the exponents to get;

$\Rightarrow 1=2x$ .

$\Rightarrow \frac{1}{2}=x$

$\Rightarrow x=\frac{1}{2}$ .

QUESTION 2

The second sentence is $(8^{\frac{1}{3}})^2=4^x$

We simplify the left hand side first to get;

$(2^{3\times \frac{1}{3}})^2=4^x$

$2^2=4^x$

We now rewrite the left hand side too in index form to obtain;

$2^2=2^{2x}$

We equate the exponents to get;

$2=2x$

This implies that;

$1=x$

$x=1$

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3 years ago

Solve the equation on the interval [0,2π). 2 sin x -1=0

Nataly [62]

sgdhrjdjfjfj

Step-by-step explanation:

gkgzzggzgzzggzgzgzgz

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1 year ago