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3 years ago

I don't know what this is.

Mathematics

1 answer:

olga nikolaevna [1]3 years ago

6 0

Because both angles are 90° and 90+90=180

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Choose all of the perfect squares 196 256 390 484 564

Elza [17]

Answer:

{196, 256, 484}

Step-by-step explanation:

14² = 196;

16² = 256;

19² = 361; 390 lies between 361 and 400, and is thus NOT a perfect square;

20² = 400;

22² = 484

564 lies between the two perfect squares 23² and 24², but is itself NOT a perfect square.

Thus, the perfect squares are {196, 256, 484}

5 0

3 years ago

If 3/4 of a certain number is equal to 41/2 find the number

SSSSS [86.1K]

Answer:

$x = \frac{82}{3}$

Step-by-step explanation:

let $x$ be that number

$(\frac{3}{4} )x = \frac{41}{2}$

$\frac{3x}{4} = \frac{41}{2}$

multiply both sides by $4$

$\frac{3x}{4} * 4 = 4 * \frac{41}{2} \\3x = \frac{41 }{2} * 2 * 2\\3x = 41 *2 \\3x = 82 \\$

divide both sides by 3

$\frac{3x}{3} = \frac{82}{3}$

$x = \frac{82}{3}$

7 0

3 years ago

Rachel prepared 24 kilograms of dough after working 6 hours. How

attashe74 [19]

Answer:

24/6= 4kg/hour

44/4=11

she prepared the kg in 11 hrs of work

7 0

3 years ago

Read 2 more answers

Can some one help who actually knows the answer!

Naya [18.7K]

Answer:

well explict means stated clearly and in detail, leaving no room for confusion or doubt. and implict means implied though not plainly expressed.

Step-by-step explanation:

6 0

2 years ago

1.7 yard long and 14/5 yard long which one longer

lora16 [44]

14/5 = 2.8 yds

14/5 yds is longer then 1.7 yds

5 0

3 years ago

I don't know what this is.​

I don't know what this is.