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3 years ago

Find the area of the triangle.

Mathematics

1 answer:

madreJ [45]3 years ago

8 0

Start by finding the area of each smaller right triangle.
Right triangle area = (1/2)hb -> h = height & b = base
b = 4 & h = 3
(1/2)(4)(3) = 6
6*2 = 12 (there are two right triangles)
The area of the entire triangle is 12yd^2

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Solve for k.<br>10/3=k/9

Ganezh [65]

Cross multiply
10 x 9 = 90
3 x k = 3k

make an equality
90 = 3k

divide both sides by 3
90/3 = k

simplify
30 = k

8 0

2 years ago

Read 2 more answers

The two cones are congruent. Determine the unknown measures of the cones. A = units B = units C = units D = units

Maksim231197 [3]

Answer:

3.1

4.2

5.2

Step-by-step explanation: Just copy the other cone and find half of the diameter to find the radius the cones are congruent.

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2 years ago

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Select the correct answer. x Probability 0 0.2 1 0.1 2 0.4 3 0.2 4 0.1 The probability distribution of x, a discrete random vari

Alex_Xolod [135]

Answer: The option B. 1.9 is correct

Explanation:

We are given the below information:

x Probability P(x)

0 0.2

1 0.1

2 0.4

3 0.2

4 0.1

The expected value of x is given below:

$E(x)=\sum x P(x)$

$=(0 \times 0.2)+(1 \times 0.1)+(2 \times 0.4)+(3 \times 0.2)+(4 \times 0.1)$

$=0+0.1+0.8+0.6+0.4$

$=1.9$

Therefore, the expected value of x is 1.9

7 0

3 years ago

What is 373727282 divided by 23

grandymaker [24]

16249012.26086957;)3!(3$676444

3 0

2 years ago

A cash register contains only five dollar and ten dollar bills. It contains twice as many five's as ten's and the total amount o

Effectus [21]

Answer:

Step-by-step explanation:

Let number of ten dollar bills be x .

So, number of five dollar bills = 2 x

Total amount of money in the cash register = 620 dollars

Amount of money in total cash as a result of five dollar bills = 2 x × 5 = 10 x dollars

Amount of money in total cash as a result of ten dollar bills = x × 10 = 10 x dollars

According to question ,

Total amount of money in the cash register = Amount of money in total cash as a result of five dollar bills + Amount of money in total cash as a result of ten dollar bills

⇒ 620 = 10 x + 10 x

⇒ 620 = 20 x

⇒ x = $\frac{620}{20}$ = 31

So, number of ten dollar bills = 31

3 0

2 years ago