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3 years ago

Enter an equation in the form y=mx+b that represents the function described by the graph

Mathematics

1 answer:

Wittaler [7]3 years ago

8 0

Answer:

First off the picture is upside down, second of why cant people take a straight picture, ps sorry my adhd, y=m4+8

Step-by-step explanation:

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A magazine ad states that 4 out of 7 doctors recommend Flash toothpaste. if 1400 doctors were surveyed, how many doctors recomme

Paladinen [302]

Answer:

The number of doctors recommended flash toothpaste 800.

Step-by-step explanation:

Given:

A magazine ad states that 4 out of 7 doctors recommend Flash toothpaste.

Now, to find the numbers of doctors recommended flash toothpaste if 1400 doctors were surveyed.

Let the number of doctors recommended be $x$ .

And the total number of doctors surveyed were 1400.

So, as given 4 out of 7 doctors recommend flash toothpaste.

So, 4 equivalent to 7 = $\frac{4}{7}$ .

And, $x$ equivalent to 1400 = $\frac{x}{1400}$ .

Thus, we set the proportion and solve by cross multiplication method:

$\frac{4}{7} =\frac{x}{1400}$

By cross multiplying we get:

$5600=7x$

Dividing both sides by 7 we get:

$800=x$

$x=800.$

Therefore, the number of doctors recommended flash toothpaste 800.

3 0

4 years ago

Read 2 more answers

The least-squares regression line Sˆ=0.5+1.1L models the relationship between the listing price and the actual sales price of 12

Vlada [557]

Answer:

For each hundred-thousand-dollar increase in the listing price, the sales price is predicted to increase by $110,000.

Step-by-step explanation:

The sales price is not predicted to increase by $1.1; it is predicted to increase by $110,000 because S is measured in hundred-thousands of dollars. The sales price will not decrease by $110,000; it is predicted to increase by $110,000.

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3 years ago

Read 2 more answers

I need this done today 3 yards 2 feet = __________ ft

vfiekz [6]

Answer:

11 feet

Step-by-step explanation:

3 yards equals 9 feet because there are 2 feet in one yard. 2*3=9

9+2= 11

7 0

3 years ago

The total rainfall in Zoe's town in April was 5 7/8 inches. The total in May was 2 1/8 inches less than in April. What was the t

Nataly_w [17]

1) Zoe's town
April = 5 7/8 inches
May = 2 1/8 inches less than in April

5 7/8 ⇒ ((5*8)+7)/8 = 47/8
2 1/8 ⇒ ((2*8)+1)/8 = 17/8

47/8 - 17/8 = 30/8 ⇒ 3 6/8 ⇒ 3 3/4 inches rainfall in May.

April rainfall : 5 7/8 inches
May rainfall : 3 3/4 inches

Greatest Prime number less than 50 is 47. So, 47 students plus 3 teachers. There is a total of 50 people going on the trip.

1,354 ounces of paint ÷ 6 ounces per jar = 225.66 jars or 226 jars

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3 years ago

Assume that 13% of people are left-handed. If we select 10 people at random, answer the following questions:

Anastasy [175]

Answer:

0.099, 0.969,0.87,8.3.1.063

Step-by-step explanation:

Let X be the left handed people in the sample of 10 people selected.

X is binomial with n=10 and p = 0.13

a) the probability that there are exactly 3 lefties in the group

= $P(x=3) = 10C3 (0.13)^3 (0.87)^7\\= 0.09945\\=0.099$