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myrzilka [38]
3 years ago
11

Need to be able to check this assignment for my son and I have no clue how to make sure it's correct anyone?

Mathematics
1 answer:
saw5 [17]3 years ago
4 0

Answer:

it is correct

Step-by-step explanation:

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The base of a triangle prism shown is an isosceles triangle having a height of H cm, and an area of 36cm squared
Alika [10]

Answer:

the value of h on the diagram is 9cm

Step-by-step explanation:

area = 1/2 * base * height

a = 1/2*b*h

36=1/2*8*h

36=4h

since the 1/2 will multiply the 8

36=4h

multiply both sides by 4

h=9cm.

4 0
2 years ago
Jennifer had 7/8 foot board she cut off 1/4 foot peice that was for a project.in feet how much board was left?
guapka [62]

\frac{5}{8} \text{ feet board is left }

<em><u>Solution:</u></em>

Given that, Jennifer had 7/8 foot board she cut off 1/4 foot peice that was for a project

To find: Board that was left

From given,

\text{Total length of board } =\frac{7}{8} \text{ feet }

\text{Foot that was cut off } = \frac{1}{4} \text{ feet }

Remaining feet of board is found by finding the difference between total length of board and foot that was cut off

\text{Reamining board } = \text{Total length of board - feet of board that was cut off}\\

Substituting the values we get,

\text{Remaining board } = \frac{7}{8} - \frac{1}{4}\\\\\text{Remaining board } =\frac{7}{8} - \frac{1 \times 2}{4 \times 2}\\\\\text{Remaining board } =\frac{7}{8} -\frac{2}{8} = \frac{7-2}{8}\\\\\text{Remaining board } =\frac{5}{8}

Thus \frac{5}{8} feet board is left

5 0
3 years ago
each term of a sequence is 2 more than the previous term. if the third term is 8 find the first five terms of the sequence
soldier1979 [14.2K]

Step-by-step explanation:

T3=8

8=a+2d

where a is first term ,d is common ratio

8=a+2(2)

8=a+4

a=8-4

a=4

first term T1 is 4

T2=a+d

T2=4+2

T2=6

T4=a+3d

T4=4+3(2)

T4=4+6

T4=10

T5=a+4d

T5=2+4(2)

T5=4+8

T5=12

4,6,8,10,12

6 0
3 years ago
If f(x) =<br> (3 + x)<br> (x-3)<br> what is f(a + 2)?
ipn [44]

Answer:

(a^2)+4a-5

Step-by-step explanation:

(3+a+2)(a+2-3)

(a+5)(a-1)

use FOIL or box method

5a-5+(a^2)-a simplifyes to

(a^2)+4a-5

5 0
2 years ago
In this quadrilateral x=<br> A) 56. B) 67 C) 78 D) 89
Oxana [17]

the correct answer is c 78

Step-by-step explanation:

lit can't be a because to small and can't be b because also to small. and and 92 is uptus and this is an acute angle

6 0
3 years ago
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