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Misha Larkins [42]
3 years ago
13

Julio considers the reduction of the triangle. 12 in height 21 in base and 8 in height x in base Not drawn to scale What is the

correct cross product that he should use to solve for the missing dimension?

Mathematics
2 answers:
Serhud [2]3 years ago
6 0
To find the cross product, you can set this up as a proportion. Please see the attached paper for one of the proportions you could use.

You would then multiply the numbers that are diagonal from each other.

You would have 21(8) = 12x or
168=12x.

SOVA2 [1]3 years ago
5 0

Answer:

multiply the base x height.

Step-by-step explanation:

B X H = AREA

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The area of a parallelogram is 54 ft2. If the base of the parallelogram is 6 feet, what is its height?
m_a_m_a [10]

Answer:

9 feet

Step-by-step explanation:

Area of a parallelogram = base times height

Thus, 54 = 6h

where h = height

* divide each side by 6 *

54 / 6 = 9

6h / 6 = h

h = 9

Thus, the answer is A

6 0
3 years ago
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A teacher asked his students to solve the equation w-15=22. One student incorrectly said that the solution is 7. What is the cor
jonny [76]

Answer:

w= 37

Step-by-step explanation:

The student used the wrong property of equality.

When you undo a number to get a letter by itself, you should do the opposite operation of the number said. The student subtracted 15 from 22 instead of adding 15 to 22.

Use the addition property of equality to isolate w.

w(-15+15)=22+15\\w=37

3 0
3 years ago
Find the area of the parallelogram in square centimeters
pishuonlain [190]

Answer:

19.1sq cm

Step-by-step explanation:

10+9=19 so after that, you have to add the decimals, .4+.6=.10. then to make it easier you can take off the zero on the end so it reads as 19.1 .

Hope this helps!☺

8 0
3 years ago
a blue arlin can swim at 50miles per hour. What is that speed in feet per second , to the nearest whole number ?
morpeh [17]

Step-by-step explanation:

Multiply the amount of feet in one mile by the amount of miles in the question(5,280 x 50 = 264,000)

Divide the amount of feet in 50 miles by the amount of minutes in 1 hour to get the amount of feet per mile (264,000 ÷ 60 = 4,400)

Divide the amount of feet per mile to get by the amount of seconds in a minute to get the amount of feet per second (4,400 ÷ 60 = 73.33)

Your answer rounded to the nearest whole number is 73

6 0
4 years ago
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The circumference of a circle is 3.14 inches.<br> What is the area of the circle?
SVETLANKA909090 [29]

Answer:

A = .785 inches ^2

Step-by-step explanation:

C = pi *d

We know the diameter = 2*r

C = pi*2*r

Substituting pi = 3.14 we can solve for r

3.14 = 2*pi*r

3.14 = 2*3.14 *r

Divide by 3.14 on each side

3.14/3.14 = 2*3.14 *r/3.14

1 = 2r

Divide by 2

1/2 =2r/2

1/2 =r

Now we can find the area

A = pi *r^2

A = 3.14 *(1/2)^2

A= 3.14 *1/4

A = .785 inches ^2

6 0
3 years ago
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