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2 years ago

Can anyone help me with this problem? It's a review.

Mathematics

1 answer:

kifflom [539]2 years ago

8 0

Answer:

The point (0,-2) is the solution to the problem. Substitue 0 into x, the answer is -2 which matches f(x), or y value.

Step-by-step explanation:

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There are 14 girls and 2 boys taking karate lessons. Write the ratio that compares the number of girls taking karate lessons to

Delvig [45]

Answer:

The correct answer is 7 : 8.

Step-by-step explanation:

There are 14 girls and 2 boys taking karate lessons.

Total number of students taking the karate class is 16.

The ratio that compares the number of girls taking karate lessons to the total number of students taking karate lessons is given by 14 : 16 = 7 : 8.

This can be interpreted as for every 8 students in the karate lesson, 7 of them are girls.

8 0

3 years ago

In a box there are six envelopes each containing two cards. Three of the envelopes contain two red cards, two of them contain a

Sphinxa [80]

Answer:

$\frac{2}{5}$

Step-by-step explanation:

3 envelopes having 2 red card

2 envelopes having 1 red card and 1 black card

1 envelope having 2 black cards

We are given that . An envelope is selected at random and a card is withdrawn and found to be red.

So, No. of ways of envelope having red card = 3+2 = 5

No. of required ways of envelope having 1 red card and 1 black card = 2

So, probability of getting an envelope having 1 red card and 1 black card = $\frac{2}{5}$

Hence The chance the other card is black is $\frac{2}{5}$

5 0

2 years ago

PLZ HELP WILL MARK BRAINLIEST!

goblinko [34]

Step-by-step explanation:

directrix = (1, -1)

focus = (-3, 2)

vertex = (-3, 3)

7 0

2 years ago

24% of what number is 72

nignag [31]

Answer:

300

Step-by-step explanation:

24% × x = 72

or, 24 /100

× x = 72

we have x = 72 × 100 /24

x = 300

Hope it helps

4 0

2 years ago

(25 points) A weather reporter in your area said that the speed of sound in air today is about one thousand one hundred feet per

Rashid [163]

1 thousand and 1 hundred means 1100.

In scientific notation, it's 1.1*10^3

6 0

2 years ago

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