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3 years ago

A baker used 4 cups of flour to make 5 batches of brownies.How many cups of flour does he need for one batch of brownies

1 answer:

8 0

1 cup of flour because if he uses 4 cups of flour for five batches then he would need 1 cup of flour for one batch of flour

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What is the area of the parallelogram?

Fed [463]

Answer:80cm^2

Step-by-step explanation:

Area of a parallelogram=base×height

In the above diagram we were given a base of 16cm and height of 5cm

Therefore area of the parallelogram=16×5 which is equal to 80cm^2

8 0

2 years ago

A personal trainer determines that an individual will get the most benefit from a workout if they keep their heart rate at an av

Korvikt [17]

Using the confidence interval, it is found that the correct conclusion regarding the hypotheses test is given by:

Reject H0. There is convincing evidence that this individual’s true mean heart rate while working out differs from 150.

<h3>What are the hypotheses tested?</h3>

At the null hypotheses, it is tested if the mean is of 150, that is:

$H_0: \mu = 150$

At the alternative hypotheses, it is tested if the mean is different of 150, hence:

$H_0: \mu \neq 150$ .

The confidence interval is (158, 167). Since it does not contain 150, we reject the null hypotheses, hence the correct option is:

Reject H0. There is convincing evidence that this individual’s true mean heart rate while working out differs from 150.

More can be learned about confidence intervals at brainly.com/question/25890103

#SPJ1

6 0

1 year ago

What is the value of x?

olchik [2.2K]

Answer:

x = 4 sqrt(2)

Step-by-step explanation:

This is a right triangle so we can use trig functions

sin theta = opp/ hypotenuse

sin 45 = 4/x

Multiply x to each side

x sin 45 = 4/x *x

x sin 45 = 4

Divide each side by sin 45

x sin 45 / sin 45 = 4 /sin 45

x = 4/ sin 45

We know sin 45 = sqrt(2)/2

x = 4/ sqrt(2) /2

x = 8/ sqrt(2)

We do not leave a sqrt in the denominator so multiply by sqrt(2)/ sqrt(2)

x = 8/ sqrt(2) * sqrt(2)/sqrt(2)

x = 8 * sqrt(2) /2

x = 4 sqrt(2)

3 0

2 years ago

Read 2 more answers

A bucket has 16 tennis balls and 10 ping pong balls . What is the probability of selecting a ping pong ball , replacing it and t

Semmy [17]

Answer:

40/169

Step-by-step explanation:

P(pp,tennis) = $\frac{10}{26}$ × $\frac{16}{26}$ = 40/169 in simplified form

3 0

2 years ago

I need help with this question I’m stick

bonufazy [111]

Answer:

4.8 (you can check but that's what I got)

Step-by-step explanation:

First find the missing angle by subtracting the sum of the two given from 180°

$180-(47+90) =$ 43°

Then use the Law of Sines to find the missing side

x/sinC = a/sinA

x/sin(90°)/3.5/sin(47°)

x=sin(90°)×(3.5/sin(47°))

x=4.7856...

x ≈ 4.8

4 0

2 years ago