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Harlamova29_29 [7]
2 years ago
7

Help so please answer fast............

Mathematics
1 answer:
Naddik [55]2 years ago
3 0

Cos x = 8/13 = 52

So your answer is 52.
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Find the perimeter and area of a rectangle with a length of 3.2m and a width of 1.5m
Trava [24]
Area is multiplying the width and the length so
area= 3.2 × 1.5 = 4.8
and perimeter is adding all sides together so
perimeter= 3.2 + 3.2 + 1.5 + 1.5 = 9.4
3 0
3 years ago
Read 2 more answers
The ratio of boys to girls at the dance was 8 to 4. How many girls were at the dance if there were 88 boys at the dance?
nevsk [136]

88/8=11.

So multiply 4 by 11.

4x11=44

So the ratio is 88:44.

There are 44 girls at the dance

---

hope it helps

5 0
3 years ago
Find the length and width of a rectangle whose perimeter is 20 feet and whose area is 21 square feet
ipn [44]

Answer:

Length = 3

Width = 7

Step-by-step explanation:

The perimeter is 20 feet

The area is 21 feet

Let x represent the length

Let y represent the width

20 = 2(x+y)

x+y= 20/2

x+y = 10.........equation 1

x × y= 21......equation 2

From equation 1

x= 10-y

Substitute 10-y for x in equation 2

(10-y)y= 21

10y - y^2 = 21

y^2 -10y + 21= 0

After factorization the result will be

(x-3)(y-7)

x-3= 0

x= 0+3

x= 3

y-7= 0

y= 0+7

y= 7

Hence the length is 3 and the width is 7

6 0
3 years ago
Explain why multiplying two irrational numbers could result in either an irrational number or a rational number.
Nimfa-mama [501]
Because if you multiply 2 different irrational numbers (like the following)
\sqrt{3} \times  \sqrt{17}
You will get an irrational answer.

BUT
if you multiply the same square root (which are both irrational, you get a rational number)

\sqrt{3}  \times  \sqrt{3}  = 3
7 0
3 years ago
Solve for the value of z.<br> (52-6)<br> (22+5)
kogti [31]

Answer: 52-6=46 and 22+5=27 if you have to add the sums together then the final is 73 but if you subtract the sums then the final is 19

Step-by-step explanation:

7 0
3 years ago
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