3 years ago

Write each phrase as an algebraic expressionseven feet more than the height

Mathematics

2 answers:

Vitek1552 [10]3 years ago

8 0

I think the answer is 7+x

Ghella [55]3 years ago

5 0

H=hieght

answer would be h+7

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Find the value of x.<br><br> A.18<br> B.15<br> C.16<br> D.19<br><br> PLEASE HELP!!!!!

In-s [12.5K]

Answer:

x = 19

Step-by-step explanation:

123°+3x = 180°

3x = 180°-123°

3x = 57

x = 57/3

x = 19

The reason why we use 123° + 3x = 180° because both are adjacent angles. Adjacent angles add up to 180°

7 0

2 years ago

5 + (-3) what is the answer

prohojiy [21]

5-3 is 2 the answer is 2

6 0

2 years ago

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Ryan has 4 cups of grape juice and Kelsey has 7 cups of lemonade they want to combine what they have to make punch how many 1/2

svp [43]

Answer:

5.5 servings

Step-by-step explanation:

4+7=11

11/2=5.5 sevings

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3 years ago

A motion sensor has a range of 65 meters as shown. The ultrasonic waves sweeping out from the sensor span an angle of 135°.

VMariaS [17]

The approximate area that is within range of the motion sensor is 4975 square meters

<h3>How to determine the area of the range?</h3>

The figure is not given, however the area of the range can be calculated without the figure.

The given parameters are:

Angle, ⊕ = 135°

Radius, r = 65 meters

The area of the range is calculated using the following sector area

$A = \frac{\theta}{360} * \pi r^2$

This gives

$A = \frac{135}{360} * 3.14 * 65^2$

Evaluate

A = 4974.9375

Approximate

A = 4975

Hence, the approximate area that is within range of the motion sensor is 4975 square meters