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3 years ago

Which fractions are equivalent to -4/9 ?

Mathematics

1 answer:

Karo-lina-s [1.5K]3 years ago

4 0

B,C, d are right answers

A is the only not correct answer

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Find the surface area of the regular hexagonal pyramid shown to the nearest square meter. a. 406 m2 b. 393 m2 c. 819 m2 d. 240 m

elena-s [515]

Answer is A. 406m2 so there is the answer to anyone who comes across this.

8 0

3 years ago

Please answer with clear instructions so that i can apply this to other questions

Strike441 [17]

Answer:

x = 2 , 3/2

Step-by-step explanation:

3 0

2 years ago

The doctor recommended that Mike increase the number of calories he burns working out from 1,500 to 1,800. By what percent did t

Viefleur [7K]

Answer: The number of calories increased by 20%.

Step-by-step explanation:

Given : The doctor recommended that Mike increase the number of calories he burns working out from 1,500 to 1,800.

Previous number of calories he used to burn = 1,500

Increase in calories = 1800-1500=300

Now , the percent increase in calories = $\dfrac{\text{Increase in calories}}{\text{previous calories}}\times100$

$=\dfrac{300}{1500}\times100=20\%$

Hence , the number of calories increased by 20%.

3 0

3 years ago

Determine the values of the variables in the parallelograms below help me please

PolarNik [594]

Answer:

Part 1)

$x=-11$

$m=170\°$

Part 2)

$x=-5, x=1$

$m=-10, m=14$

Step-by-step explanation:

we know that

In a parallelogram opposite sides and opposite angles are congruent, and consecutive angles are supplementary

Part 1)

Find the value of x

$25=-3x-8$ ----> opposite sides are congruent

solve for x

$25=-3x-8$

$3x=-8-25$

$x=-33/3=-11$

Find the value of m

$(70+(m-60))=180\°$ ----> consecutive angles are supplementary

solve for m

$m=180\°-10\°=170\°$

Part 2)

Find the value of x

$5=x^{2}+4x$ ---> opposite sides are congruent

using a graphing tool

see the attached figure N 1

The solutions are

$x=-5, x=1$

Find the value of m

$(m^{2}-4m)=140\°$ ---> opposite sides are congruent

solve for m

using a graphing tool

see the attached figure N 2

The solutions are

$m=-10, m=14$

8 0

3 years ago

At a party, everyone shook hands with everybody else. There were 66 handshakes. How many people were at the party?

Neporo4naja [7]

Every body has two hands so we have to multiply 66 by 2.

66 multiplied by 2 is equal to 132

The answer is 132.

hope it helps.

Can you choose mine as the brainliest answer please please?

4 0

3 years ago

Read 2 more answers