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son4ous [18]
2 years ago
12

Please help me with this question I’m so confused

Mathematics
2 answers:
Arisa [49]2 years ago
6 0

Answer:

4.75

Step-by-step explanation:

i hope this is helpful to you.

zavuch27 [327]2 years ago
4 0

s = ut +  \frac{1}{2} a {t}^{2}  \\ s = 10( \frac{1}{2} ) +  \frac{1}{2} ( - 2) {( \frac{1}{2}) }^{2}  \\ s = 10( \frac{1}{2} ) +  \frac{1}{2} ( - 2)(  \frac{1}{4} ) \\ s = 5 + ( - 1)( \frac{1}{4} ) \\ s = 5 + ( -  \frac{1}{4} ) \\ s = 5 -  \frac{1}{4}  \\ s =  \frac{20}{4}  -  \frac{1}{4}  \\ s =  \frac{19}{4}

Hope it helps

Please give brainliest

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F(x)=x^2-3x+15<br> find f(-8)
Vlada [557]

Answer:

103

Step-by-step explanation:

(-8)²-3(-8)+15

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8 0
2 years ago
An office building has the same number and size of offices on each floor. If there are 21 offices on the first 3 floors, then wh
zhenek [66]

Answer:

70 offices

Step-by-step explanation:

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6 0
2 years ago
What is the volume of a hemisphere with a radius of 2.3m round to the nearest tenth of a cubic meter
kodGreya [7K]

Answer: 25.5 m^{3}

Step-by-step explanation:

If the volume of a sphere is

V=\frac{4}{3} \pi r^{3}

Where r=2.3 m is the radius

The volume of a hemisphere is half the volume of the total sphere:

V_{hemisphere}=\frac{V}{2}=\frac{\frac{4}{3} \pi r^{3}}{2}

V_{hemisphere}=\frac{2}{3} \pi r^{3}

Solving this equation:

V_{hemisphere}=\frac{2}{3} \pi (2.3 m)^{3}

Finally:

V_{hemisphere}=25.48m^{3} \approx 25.5 m^{3}

5 0
3 years ago
In each figure below, find m1 and m2 if a||b. Show your work with statements.
Sladkaya [172]

Answer:

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Step-by-step explanation:

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∠ 1 = 130°

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6 0
3 years ago
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8 0
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