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Mice21 [21]
3 years ago
13

Can someone help me pls

Mathematics
2 answers:
uysha [10]3 years ago
6 0

Answer:

The answer would be C

Step-by-step explanation:

This is because 3/4 times two is 6/4 simplified is 1 1/2

murzikaleks [220]3 years ago
3 0
1 cup and 1/2 because if you add 1/4 to the 3/4 you get 1 cup and you have 1/2 left
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Enterthe equivalent distance in km in the box
natka813 [3]

From cm to km you divide the number by 100000

So 35,000/100000 = 0.35km

4 0
3 years ago
Read 2 more answers
0.3(n-5)=0.4-0.2 solve for n!
mariarad [96]

Answer:

n = 5.67

Step-by-step explanation:

0.3(n-5)=0.4-0.2

0.3(n-5) = 0.2

Dividing 0.3 both side

\frac{0.3(n-5) }{0.3}  = \frac{0.2}{0.3}

n-5 = 0.67

n = 0.67+5

n = 5.67

4 0
3 years ago
Please help...............................!
arlik [135]
Class F=36.6666666667%
class E=33.3333333333%
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4 0
2 years ago
Wha is the value of x(3) + y(3) when<br> 3 and y = 4?
nordsb [41]

Answer:

25

Step-by-step explanation:

3 x 3 = 9

4 x 4  = 16

9 + 16 = 25

6 0
2 years ago
The angle of elevation of the top of a pole as seen from a point 13 ft away from the base is double its angle of elevation as se
spayn [35]

The height of the pole above the level of the observer's eyes is 31.42 ft

Let the angle of elevation of the top of the pole from a point 47 ft away be α.

Let the angle of elevation of the top of the pole from the point 13 ft away be β.

Since the angle of elevation of a point 13 feet away is twice that from 47 ft away, we have that β = 2α.

If the height of the pole above the level of the observer's eye is h, we have that

tanβ = tan2α = h/13 and tanα = h/47

From trigonometric identities tan2α = 2tanα/(1 - tan²α)

Substituting the values of the variables into the equation, we have

tan2α = 2tanα/(1 - tan²α)

h/13 = 2h/47 ÷ [1 - (h/47)²]

Dividing through by h, we have

1/13 = 2/47 ÷ [1 - (h/47)²]

Cross-multiplying, we have

1/13 = 2/47 ÷ [1 - (h/47)²]

1 - (h/47)² = 2/47 × 13

1 - (h/47)² = 26/47

(h/47)² = 1 - 26/47

(h/47)² = (47 - 26)/47

(h/47)² = 21/47

Taking square-root of both sides, we have

h/47 = √(21/47)

Cross-multiplyng, we have

h = √(21/47) × 47

h = √(21 × 47)

h = √987

h = 31.42 ft

The height of the pole above the level of the observer's eyes is 31.42 ft

Learn more about height of a pole here:

brainly.com/question/10375496

4 0
2 years ago
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