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Yanka [14]
4 years ago
7

Find the missing side

Mathematics
1 answer:
enot [183]4 years ago
8 0

Answer:

its E 21

Step-by-step explanation:

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X/8 = 11/2 what is x
KonstantinChe [14]
44 because multiply by 2 and you get 2x/8 = 11 then multiply by 8 and you get 2x=88 so x=44
8 0
3 years ago
keiko fills an aquarium to a depth of 3/5 meters in 7½ minutes. what is the unit ratr in minutes per meter?​
zmey [24]

Answer:

2/5 m ÷ by 6 minutes is the unit rate (can you do this division?)

On careful reading, I see that you're asked for minutes per meter, so that 6 min divided by 0.4 m, which is 2.5 times 6 min or 15 minutes per meter.

8 0
3 years ago
Read 2 more answers
Find the area of rectangle $BCEF$ . Round the area to the nearest whole number, if necessary.
WINSTONCH [101]

Answer:

999

Step-by-step explanation:

5 0
4 years ago
Round to the nearest tenth.
inessss [21]

Answer: Angle A = 53.9 degrees

Step-by-step explanation: We have a right angled triangle with two sides clearly given and one angle to be calculated. If the angle to be calculated is angle A, then having angle A as our reference angle, line AC (10 units) is the adjacent, line CB is the opposite while line AB (17 units) is the hypotenuse. Having been given the adjacent and the hypotenuse, we can now use the trigonometric ratio as follows;

CosA = adjacent/hypotenuse

CosA = 10/17

CosA = 0.5882

By use of the calculator or table of values,

A = 53.97

Approximately to the nearest tenth,

A = 53.9 degrees

6 0
3 years ago
Solv for x for all of these 1. 3x+6=21 2. 33=7x-9 3. 28=7+x need to know now please help !!!!!!
-Dominant- [34]

Answer:

<h3>\boxed{ \sf{ \bold{1.  \:  \: \: x = 5}}}</h3>

\boxed{ \sf{ \bold{2. \:  \: x = 6}}}

\boxed{ \bold{ \sf{3. \:  \: x = 21}}}

Step-by-step explanation:

1. \sf{3x + 6 = 21}

Move constant to right hand side and change its sign

⇒\sf{3x = 21 - 6}

Subtract 6 from 21

⇒\sf{3x = 15}

Divide both sides of the equation by 3

⇒\sf{ \frac{3x}{3}  =  \frac{15}{3} }

Calculate

⇒\sf{x = 5}

--------------------------------------------------------

2. \sf{33  = 7x - 9 }

Swap the sides of the equation

⇒\sf{7x - 9 = 33}

Move constant to right hand side and change it's sign

⇒\sf{7x = 33 + 9}

Add the numbers

⇒\sf{7x = 42}

Divide both sides of the equation by 7

⇒\sf{ \frac{7x}{7}  =  \frac{42}{7} }

Calculate

⇒\sf{x = 6}

---------------------------------------------------------

3. \sf{28 = 7 + x}

Swap the sides of the equation

⇒\sf{7 + x = 28}

Move constant to right hand side and change it's sign

⇒\sf{x = 28 - 7}

Subtract 7 from 28

⇒\sf{x = 21}

Hope I helped!

Best regards!!

7 0
3 years ago
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