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DedPeter [7]
2 years ago
14

Can someone please help me with this

Mathematics
2 answers:
Iteru [2.4K]2 years ago
8 0
The answer is 5 3/4.............
bezimeni [28]2 years ago
5 0

Answer:

Choice C. 5\frac{3}{4}feet^{2}

Step-by-step explanation:

Surface Area

A = 2lw + 2lh + 2wh

l = 2ft

w = \frac{3}{4}

h = \frac{1}{2}

A = 2(2)(\frac{3}{4}) + 2(2)(\frac{1}{2}) + 2(\frac{3}{4})(\frac{1}{2})

A = 3 + 2 + \frac{3}{4}

A = 5\frac{3}{4} feet^{2}

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Guys can you please help me I really dont understand algebra?
KonstantinChe [14]

Yes it is linear since it's in the standard form Ax+By = C

A = 2

B = -8

C = 16

6 0
2 years ago
Read 2 more answers
Determine the value of x.<br><br>A. 4√2<br><br>B. 2/√2<br><br>C. 2√2<br><br>D. 2
ZanzabumX [31]

Answer:

\huge\boxed{\sf C.}

Step-by-step explanation:

sin 45 = opposite / hypotenuse

<u>Where opposite = x , hypotenuse = 4</u>

sin 45 = x / 4

\sf \frac{\sqrt{2} }{2 } = \frac{x}{4} \\\\x = \frac{4\sqrt{2} }{2} \\\\x = 2\sqrt{2} \\\\\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
3 0
3 years ago
A flat rectangular piece of aluminum has a perimeter of 60 inches. The
liq [111]

Answer:

8 inches

Step-by-step explanation:

Let w represent the width.

If the length is 14 inches longer than the width, it can be represented by w + 14.

Use the perimeter formula, p = 2l + 2w. Plug in 60 as the perimeter and w + 14 as l, then solve for w:

p = 2l + 2w

60 = 2(w + 14) + 2w

60 = 2w + 28 + 2w

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4 0
3 years ago
Open Brains data. SETUP: Some people believe that first born subjects have different intelligent (different IQ test). Given the
melamori03 [73]

Answer:

the test I will perform is d. ​​Two-sided t-test

Step-by-step explanation:

When we are to compare between different data, critical regions occur on both sides of the  mean of a normal distribution,they are as a result of two-tailed or two-sided tests.

In such tests, consideration has to be given to values  on both sides of the mean.

for this question, it is expected to compare weather it is true that first born have different intelligent or not, weather to accept a null hypothesis or reject.

For example, if it is  required to show that the percentage of metal, p, in a

particular alloy is x%, then a two-tailed test is used,  since the null hypothesis is incorrect if the percentage  of metal is either less than x or more than x.  

8 0
3 years ago
Evaluate the following function for x = 4: h(x) = 7x + 15.
Lesechka [4]

Answer:

43

Step-by-step explanation:

If x = 4, then plug in an x in the given equation

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Therefore h(4) = 43

I hope this helps! :)

7 0
2 years ago
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