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2 years ago

Which equation choice could represent the graph shown below?

Mathematics

1 answer:

balu736 [363]2 years ago

8 0

(X+6)x(x-6)

You can look at the roots, which are -6, 0, and 6.

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How can you use mental math to determine if a ratio is simplified?

Studentka2010 [4]

Yes you can all you have to do is determine how many times the numerator goes into the denominator and put the remaining number if any as the new numerator and keep the same denominator if it goes into the denominator put how many tines it does in from of your new fraction

6 0

4 years ago

Express the set -4x+21 ≤ 3x +14 using interval notation

KATRIN_1 [288]

Answer:

[1, ∞)

Step-by-step explanation:

1) Solve for x

-4x + 21 $\leq$ 3x + 14

21 $\leq$ 7x + 14

7 $\leq$ 7x

1 $\leq$ x

2) 1 is the lowest possible value of x and since it's a smaller or equal to inequality, you use a square bracket. If it was 1 < x, it would be a round bracket. Since there isn't a boundary for the highest value of x, you write an infinity. When you have an infinity, it's always a round bracket.

7 0

3 years ago

Read 2 more answers

A bag contains 43 U.S. quarters and seven Canadian quarters. (The coins are identical in size.) If six quarters are randomly pic

Marrrta [24]

Answer:

0.616

Step-by-step explanation:

The number of Us quarters is 43 while the number of Canadian quarters is 7.

The number of quarters we are to pick is 6

Mathematically, the probability of getting at least one Canadian quarter = 1 - probability of getting no Canadian quarter

This means we have to calculate the probability of getting no Canadian quarter first.

The total number of possible outcomes is 50C6 = 15,890,700

If we are to get all to be US quarters, that means we are getting exactly 6 out of 43 = 43C6 = 6,096,454

Hence, probability of no Canadian quarters is 6,096,454/15,890,700 = 0.384

The probability of at least 1 Canadian quarters is thus 1-0.384 = 0.616

6 0

3 years ago

Please help ill give brainiest answer

trapecia [35]

Answer:

1: AAS, RQC 2: ASA, SRP

Step-by-step explanation:

(1) We are shown that two angles and one side are congruent in the order of AAS. Make sure you write the letters in terms of the corresponding angles. The angles and sides are congruent because the problem labels it for us. For example, B,A,C=R,Q,S. Answers: AAS, RQC.

(2) We are shown that two angles and one side are congruent in the order of ASA. Make sure you write the letters in terms of the corresponding angles again. For example, P,Q,R=P,S,R. The angles are congruent because the problem labels it for us. Side PR is congruent to side PR by reflexive property. Answers: ASA, SRP.

I hope this helped :) Good luck

4 0

3 years ago

Find f(-2) for f(x) = 3 *2^x

Xelga [282]

Answer:

3/4

Step-by-step explanation:

f(x) = 3 *2^x

Let x= -2

f(-2) = 3 *2^(-2)

= 3 * 1/2^2

= 3 /4

5 0

3 years ago

Read 2 more answers