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polet [3.4K]
3 years ago
7

Whats the missing number

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
4 0

Answer:

<h2><u><em>5</em></u></h2>

Step-by-step explanation:

X * 3^2 +2 = 47

X * 9 + 2 = 47

9X = 47 - 2

9x = 45

x = 45 : 9

X = 5

You might be interested in
The area of a trapezium is 31.5 cm². If the parallel sides are of length 7.5 cm and 5.3 cm, calculate the perpendicular distance
spin [16.1K]

Answer:

<h3>The answer is 4.9cm</h3>

Step-by-step explanation:

To find the perpendicular distance between them that's the height we use the formula

Area \:  \: of \:  \: a \:  \: trapezium =  \frac{1}{2} (a + b) \times h

where

a and b are the parallel sides of the trapezium

h is the perpendicular distance

From the question

Area = 31.5cm²

a = 7.5 cm

b = 5.3 cm

Substituting the values into the above formula we have

31 .5 =  \frac{1}{2} (7.5 + 5.3) \times h

31.5 =  \frac{1}{2}  \times 12.8h

31.5 = 6.4h

Divide both sides by 6.4

h =  \frac{31.5}{6.4}

h = 4.921875

We have the final answer

<h3>h = 4.9cm</h3>

Hope this helps you

4 0
3 years ago
The percent increase from 18 to 26 is around
Airida [17]
44.44
%
Explanation:
Take the absolute value of the difference fof the two and then divide by the first number:
|
18
−
26
|
18
=
8
18
=
.4444
8 0
3 years ago
Jaleia borrows $1500 from the bank. To pay back the loan this year, she will pay the bank the amount she borrowed plus 12% simpl
sineoko [7]

Answer:

$1860

Step-by-step explanation:

12% of 1500 = 180

180 x 2 = 360

1500 + 360=1860

4 0
3 years ago
Read 2 more answers
What are m4 and m1.............................................
djverab [1.8K]

Answer:

m<1 = 136

m<4 = 44

Step-by-step explanation:

Exterior angle thm:

<2 + <3 = <4

4x + 2 + 5x - 3 = 8x + 4

9x - 1 = 8x + 4

9x - 8x = 4 + 1

x = 5

m<4:

8x + 4

8(5) + 4

40 + 4

44

m<1 and m<4 are supplementary (they add up to 180) so:

m<1 + m<4 = 180

m<1 + 44 = 180

m<1 = 136

8 0
3 years ago
Which shape has two sets of parallel sides only?
Anna35 [415]

Answer: I really want you to look at the question and then answers and tell me, but the answer is Parallelogram. But seriously, that question is so easy even if you are mathematically challenged.

4 0
3 years ago
Read 2 more answers
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