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Black_prince [1.1K]
3 years ago
5

Can anyone help me with this?

Mathematics
1 answer:
matrenka [14]3 years ago
5 0

Answer:

\sqrt{7}

Step-by-step explanation:

Given

4\sqrt{7} - 10\sqrt{7} + 7\sqrt{7} ( add the coefficients of the terms )

= (4 - 10 + 7) \sqrt{7}

= 1\sqrt{7}

= \sqrt{7}

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Flura [38]

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Step-by-step explanation:

then find your y and x and plot it

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3 years ago
The sail on a boat is triangular and its area is 216 feet. If the length of the base of the sail is 18 feet, find its
finlep [7]

Answer:

24

Step-by-step explanation:

Use the triangle area formula: A=1/2 (base)(height)

Plug in what we know: 216=1/2(18)(h)

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So, h=24

To check, plug it into the formula: 1/2(18)(24)= 216

7 0
3 years ago
Ian used 2/7 of a box of tissues in 1/3 of an hour. at this rate how much of the box will he use in one hour
Virty [35]

Answer:

6/7 in 1 hour

Step-by-step explanation:

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7 0
4 years ago
What is the answer to all three of these?
fenix001 [56]
1. 16
2. 10
3. ?
4?
for 3 and 4 I think you use a protractor
3 0
3 years ago
Need help show work I will give brainliest if answer is correct
Anarel [89]

Answer:

Step-by-step explanation:

surface of the entire object

1) bottom.  8*16= 128 sq inchs

2) triangle sides.    1/2 b*h =  1/2*16 *6 = 48  but there are 2 ,  the front, and the back.    (2*48)=96 sq

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total = 1+2+3

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total surface area = 384 inchs^{2}

4 0
3 years ago
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