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mario62 [17]
3 years ago
5

Help me please :/ ill mark you braniest also please show ur work

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
5 0

Answer:

Surface area = 2 (lw + lh + wh)

= 2 [(5*4) + (5*7) + (7*4)]

= 166 sq.mm

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Harlamova29_29 [7]

Answer: answer in pic

Step-by-step explanation:

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2 years ago
Multiply. Express in simplest form. 3/8 x 1/2
CaHeK987 [17]

Answer:

the answer is 3/16.

Step-by-step explanation:

First, let's take a look at the expression itself.

We have to multiply 3/8 and 1/2, which gives us the expression of

3/8*1/2

then, we multiply the numerator by the numerator and get 3, then we multiply the denominator by the other denominator which gets us 16. We put the two parts together and get

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5 0
3 years ago
Expand the brackets 2x(3x+5).
Harrizon [31]

Answer:

6x²+10x

Step-by-step explanation:

2x(3x+5)

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2x(3x) + 2x(5)

2x × 3x + 2x × 5

Multiply the terms.

6x²+10x

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5 0
3 years ago
All the edges of a regular square pyramid have length 8 . What is the:
user100 [1]

Answer:

vol=BX1/3 h

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Step-by-step explanation:

5 0
3 years ago
In how many ways can a committee of five women and four men be formed from a group of seven women and seven men?
vekshin1
Number of combinations of 5 women from 7  = 7C5 =  7*6 / 2 = 21
for men its 7C4  = 7*6*5 / 3*2 =  35

Total number of ways = 21*35  = 735
6 0
3 years ago
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