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Marrrta [24]
2 years ago
12

Help pls no links I'll give briliantest to who ever gives me the right answer ​

Mathematics
1 answer:
gladu [14]2 years ago
6 0

Answer:

A. 57 7/9

Step-by-step explanation:

4  1/3 x  3  1/3 = 14  4/9

14 4/9 x 4 = 57 7/9

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Write an expression for the length of the segment
Dvinal [7]

Answer:

x=8

Step-by-step explanation:

a

x+2=7x-3

x+7x=3-2

8×= 1

×=8

b

13y+25=8y+5

13y+8y= 25+5

21y=30

y= 30-21

y=11

8 0
2 years ago
Pls find the surface area for me. I need help ASAP!
melomori [17]

Answer:

About 90.84 in^2

Step-by-step explanation:

The formula for the surface area of a pyramid is

lw+l\sqrt{\frac{w}{2}^2+h^2}+w\sqrt{\frac{l}{2}^2+h^2}, which for this pyramid is equal to about 90.84 in^2. Hope this helps!

3 0
3 years ago
rectangle A has a length of 24 meters and a width of 20 meters. rectangle B has the same area as rectangle A. the width of recta
blagie [28]
To solve this, first we'll find the area of the rectangle A,

Area=length × width
?=24m×20m
480m=24m×20m
480m squared=area of the rectangle A

now we'll find the width of rectangle B,
"the width of rectangle B is 12 meters less than the width of rectangle A",
20m-12m= 8m
8m=width of rectangle B

finally we'll find the length of rectangle B,
area of the rectangle B= 480msquared
width= 8m
length=? (to find this divide the area by the width)
480÷8=60m
length of the rectangle B=60m



7 0
3 years ago
What is the cofunction of cos 2pi/ 9
fiasKO [112]

The cofunction of cos is sin(90-x)

90 degrees is equal to PI/2

The cofunction becomes sin(PI/2 - 2PI/9)

Rewrite both fractions to have a common denominator:

PI/2 = 9PI/18

2PI/9 = 4PI/18

Now you have sin(9PI/18 - 4PI/18)

Simplify:

Sin(5PI/18)

3 0
3 years ago
4. Tyson and his friends go ice skating. Tyson must pay an initial fee of $18.30 plus $4.80 per hour.
andrew-mc [135]

Answer:

$19.20

Step-by-step explanation:

if every hour they pay$4.80 and they go ice skating for 4 hours all you have to do is multiply $4.80 x 4

5 0
3 years ago
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