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pantera1 [17]
2 years ago
8

140 equals the sum of k and 38

Mathematics
1 answer:
Mandarinka [93]2 years ago
5 0

Answer:

102

Step-by-step explanation:

140-38=102

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Find the ratio of the volume of the triangular prism
lana [24]

Answer:

The ratio of the volume of the triangular prism to the volume of the cuboid is \frac{3}{20}.

Step-by-step explanation:

Geometrically speaking, the volume of the prism is equal to the product of the area of the base and its height. Then, the volumes of the triangular prism and the cuboid are, respectively:

Triangular prism

V_{tp} = \frac{1}{2}\times 5\,cm \times 4\,cm \times 9\,cm

V_{tp} = 90\,cm^{3}

Cuboid

V_{c} = 6\,cm\times 5\,cm \times 20\,cm

V_{c} = 600\,cm^{3}

Lastly, the ratio of the volume of the triangular prism to the volume of the cuboid is:

r = \frac{V_{tp}}{V_{c}}

r = \frac{3}{20}

The ratio of the volume of the triangular prism to the volume of the cuboid is \frac{3}{20}.

3 0
3 years ago
Find the measurement of angle c if angle e is 115° and angle b is 85°
fgiga [73]

Answer:

m∠c = 30°

Step-by-step explanation:

Given:

m∠e = 115° and m∠b = 85°

To find:

m∠c

Angle e and angle a are the linear pairs.

By the property of linear pair of angles,

m∠a + m∠e = 180°

m∠e = 180° - m∠a

115° = 180° - m∠a

m∠a = 180 - 115

        = 65°

By the property of interior angles of a triangle,

m∠a + m∠b + m∠c = 180°

65° + 85° + m∠c = 180°

m∠c = 180 - 150

m∠c = 30°

Therefore, measure of angles c is 30°.

3 0
3 years ago
No need to show/explain just need the answer lol
bulgar [2K]

Answer:

a. -44

b. 32

Step-by-step explanation:

i need more characters so imma show work

((4-10+3(2-3))+2)6-2

((-9)+2)6-2

-42-2

-44

(9+3(2)) + ((6+2(-2))+7)

(9+6)+((10)+7)

15+17

32

8 0
3 years ago
Read 2 more answers
It took Lisa 90 minutes to ride her bicycle 15 miles. Her goal is to ride 8 hours every week. If she reaches her goal, how many
gtnhenbr [62]

Answer:

distance = 80 miles

Step-by-step explanation:

The rate is distance over time

rate = 15 miles/ 90 minutes

Converting the minutes to hours

90 minutes * 1 hours / 60 minutes = 1.5 hours

rate = 15 miles / 1.5 hours = 10 miles/ hour

We know distance rate * time

She rides 8 hours per week

distance = 10 miles / hour * 8 hours

distance = 80 miles

3 0
3 years ago
Read 2 more answers
4 less than a number n is −15.
Levart [38]

Answer:

n-4= -15

Step-by-step explanation:

"4 less than a number n" is represented by n-4.

it says it "is" -15, so this equals -15.

n-4= -15

6 0
3 years ago
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