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3 years ago

Can someone help me please I'm doing this for math Olympics

Mathematics

1 answer:

dmitriy555 [2]3 years ago

5 0

I’m not helping but i need to answer peoples stuff so i can get a answer

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Which of the following is the length of BC given that figure ABCD is a parallogram?

Hatshy [7]

Since ABCD is parallelogram these rules apply:

$CD=AB$
$AD=BC$

Since $AD=BC$ this implies that $BC=12$

The answer is D.

Hope this helps.

r3t40

6 0

4 years ago

Lydia uses 15 grams of protein powder to make a 22-ounce shake. She decides to make shakes for the week and plans to make 198 ou

max2010maxim [7]

We have been given that Lydia uses 15 grams of protein powder to make a 22-ounce shake. She decides to make shakes for the week and plans to make 198 ounces. We are asked to find the grams of protein powder Lydia will use.

We will use proportions to solve our given problem.

$\frac{\text{Amount of protein powder}}{\text{Amount of shake}}=\frac{15\text{grams}}{22\text{ ounces}}$

$\frac{\text{Amount of protein powder}}{\text{198 ounces}}=\frac{15\text{grams}}{22\text{ ounces}}$

$\frac{\text{Amount of protein powder}}{\text{198 ounces}}\times \text{198 ounces}=\frac{15\text{grams}}{22\text{ ounces}}\times \text{198 ounces}$

$\text{Amount of protein powder}=15\text{grams}\times 9$

$\text{Amount of protein powder}=135\text{ grams}$

Therefore, Lydia will use 135 grams of protein powder for the entire week.

3 0

4 years ago

A standard number cube is tossed find p(less than 3 or odd)

igomit [66]

Answer:

Step-by-step explanation:

because 1 is an odd number

6 0

3 years ago

Helllllllllllllllllllllllllllp

Tamiku [17]

Answer:

Explanation:

B is not a regular polygon because it's not all of the sides and angles are congruent.

6 0

3 years ago

Read 2 more answers

Which of the following expression cannot be factored out using difference of two square

Ratling [72]

Answer:

Step-by-step explanation:

Factoring using difference of squares

a² - b² = (a - b)(a + b)

x² - 1

= x² - 1²

= (x - 1)(x + 1)

x² - y²

= (x - y)(x + y)

x² - 4

= x² - 2²

= (x - 2)(x + 2)

4 - 16y ← 16y is not a perfect square and so cannot be factored

If it was 4 - 16y² then it could be factored using difference of squares

5 0

3 years ago