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OLga [1]
3 years ago
13

10 POINTS!

Mathematics
2 answers:
Vesna [10]3 years ago
5 0
The three rectangular faces have area:
5 x 2 = 10
5 x 3 = 15
5 x 2 = 10
Total = 35

The two rectangular faces each have area of
(1/2) x 2 x 2 = 2
Total = 4

35 + 4 = 39

The answer is 39 square inches.
AURORKA [14]3 years ago
4 0
The triangular prism has 5 faces; two triangle faces and three rectangular faces.

We can find the area of one of the triangle faces by doing ((base * height) / 2). In this case, it would be ((2 * 2) / 2), which of course would equal 2"². Multiplied by two for the two triangles, which would be 4.

To find the area of one of the rectangles, we do (length * base), which would be (5 * 2) in our case, giving us 10. Multiply by 3 for the 3 faces, and we got 30"².

30 + 4 = 34"²
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Jenny's mom is 36 years old. If Jenny's great-grandmother is 90 years old, what percent of Jenny's mother's age is Jenny's great
Serjik [45]

Answer:

The age of Jenny's mom is 40 % of age of Jenny's great-grandmother.  (Input: 40)

Step-by-step explanation:

The percentage needed is calculated by the following expression:

x = \frac{n_{M}}{n_{G}}\times 100\,\%

Where:

x - Percentage of Jenny's mother with respect to Jenny's great-grandmother, measured in percentage.

n_{M} - Age of Jenny's mother, measured in years.

n_{G} - Age of Jenny's great-grandmother, measured in years.

If we know that n_{M} = 36\,yr and n_{G} = 90\,yr, the percentage is:

x = \frac{36\,yr}{90\,yr} \times 100\,\%

x = 40\,\%

The age of Jenny's mom is 40 % of age of Jenny's great-grandmother.

3 0
3 years ago
A student wants to prove that the base angles of an isosceles triangle are congruent. The student draws isosceles triangle ABC w
olga nikolaevna [1]

Answer:

BM=CM bc of the definition of midpoint

AB =AC bc of the def of an isosceles triangle

and angle B = angle D becasur corresponding parts

Step-by-step explanation:

6 0
2 years ago
Mariah spent $9.50 on 9 pounds of limes and pears. Limes cost $0.50 per pound and pears cost $1.50 per pound. Let l be the numbe
Mashcka [7]

Answer:

4 pounds of lime and 5 pounds of pears

Step-by-step explanation:

I + P = 9

0.5l + 1.5P = 9.5

I = 9 - P

0.5(9 - P) + 1.5P = 9.5

4.5-0.5P + 1.5P = 9.5

4.5 + P (1P) = 9.5

P = 9.5-4.5 = 5

I = 9 - 5 = 4

Answer: 4 pounds of lime and 5 pounds of pears

5 0
3 years ago
5 cm<br> 5 cm<br> 3 cm<br> 6 cm<br> 5cm<br> What is the volume of the prism
Keith_Richards [23]

volume of prism =area of Base ×height

7 0
3 years ago
5x ^ 2 if x equals negative 2
Lady bird [3.3K]

Answer:

-100

Step-by-step explanation: -10^2

6 0
3 years ago
Read 2 more answers
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