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Volgvan
3 years ago
5

Help I don’t get this

Mathematics
1 answer:
quester [9]3 years ago
3 0

Answer:

3$

Step-by-step explanation:

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Find the Area of the figure below, composed of a rectangle and a semicircle. Round to
chubhunter [2.5K]

Answer:

Area = 74.1 square units

Step-by-step explanation:

Area of the composite figure = Area of the rectangle + Area of the semicircle

Area o the rectangle = Length × Width

                                   = 10 × 6

                                   = 60 square units

Area of the semicircle = \frac{1}{2}\pi r^{2}

Here, r = radius of the semicircle

For the semicircle with radius = \frac{6}{2} = 3 units

Area = \frac{1}{2}\pi (3)^{2}

        = 4.5π

        = 14.14 units²

Total area of the composite figure = 60 + 14.14

                                                          = 74.14 square units                                                                                              ≈ 74.1 square units      

3 0
3 years ago
How many revolutions will a car wheel of 30in make as the car travels 1 mile? (1 mile = 5280ft)?
Nataliya [291]
30inc=76.2cm 
76.2*pi=76.2pi
1cm=0.0328084 foot
1 mile=<span>5280 ft
</span>5280/0.0328084=160934.4
1 mile=160934.4 cm
160934.4 /76.2pi=672.27
672 revolutions i think
5 0
3 years ago
Solve the equation.<br> 7x2 + 5 - x = 6x2 + 10<br> X =
GarryVolchara [31]

Answer:

x = -5

Step-by-step explanation:

7 × 2 + 5 - x = 6 × 2 + 10

Multiply.

14 + 5 - x = 12 + 10.

Combine like terms.

19 - x = 24

Isolate x (I'm going to add x and subtract 24 from both sides to avoid changing signs)

-5 = x

Final answer

x = -5

8 0
3 years ago
a bank charges a fee on savings accounts that are inactive for an extended period of time. The equation y=7500(0.97)^x represent
joja [24]
The correct answer for the question that is being presented above is this one: "7500." T<span>he y-intercept of the equation is 7500. It represent that when the amount of x is zero, then that's the value of y.
</span>
Y- intercept can be acquired when we substitute x with 0.
y = 7500 (0.97)^0
y = 7500 * 1
y = 7500.
5 0
3 years ago
Which Value From The Number Set 1,3,5,7 Makes The Inequality X+5&gt;10 True
Ne4ueva [31]
Put all number choices in for x. 1+5=6, 3+5=8, 5+5=10, 7+5=12. The equation says that the answer has to be greater than ten. 6 and 8 are less than ten, and ten is equal to ten, so the only answer is 7, because 7+5=12 :)
6 0
3 years ago
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