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snow_tiger [21]

3 years ago

15

a teacher spent 8 times as much money on prizes as she did on food.she spent $26 on prizes. she spent $3.25 on food. write a mul

tiplication. equation that represents this situation.

2 answers:

LiRa [457]3 years ago

8 0

8 equals 26 is the answer

Ierofanga [76]3 years ago

7 0

3.25 x 8 = 26
So it's says 8 times more on prizes.prizes is 26 dollars that is the answer.she spends 3.25 on food so 3.25 times 8 equals 26.

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Express the null hypothesis and the alternative hypothesis in symbolic form. Use the correct symbol (mu, p, sigma) for the i

ValentinkaMS [17]

Answer:

$H_o:\mu = 48\\H_a:\mu\neq48$

Step-by-step explanation:

Given : . The manufacturer of a refrigerator system for beer kegs produces refrigerators that are supposed to maintain a true mean temperature, 48°F, ideal for a certain type of German pilsner.

To Find : The owner of the brewery does not agree with the refrigerator manufacturer, and claims he can prove that the true mean temperature is incorrect.

Solution:

We are given that refrigerators that are supposed to maintain a true mean temperature, 48°F.

Claim : The true mean temperature is incorrect.

So, null hypothesis and alternate hypothesis will be :

$H_o:\mu = 48\\H_a:\mu\neq48$

So, Option D is true .

3 0

3 years ago

Thank you!!! 20 points

GREYUIT [131]

Answer:

Assuming that the figure is a rectangle:

x=12

angle GJH=22 degrees

Step-by-step explanation:

angle GHJ=angle IJH

5x+8=7x-16

simplify

2x=24

x=12

angle IJH=7x-16

substituting for x

IJH=7(12)-16=84-16=68 degrees

angle GJH=90-IJH

angle GJH=22 degrees

5 0

3 years ago

A briefcase has a three- digit lock code that doesn't include zero as a digit. What is the probability that the lock code consis

storchak [24]

Answer:

1/21.

Step-by-step explanation:

There are 9 digits and the total number of permutations of 3 from 9 is 9P3

= 9!/6! = 504.

There are 4 even digits so the number of permutations of 3 from these 4 is 4! (4-3)! = 4*3*2 = 24.

So the required probability = 24/504

= 1/21.

5 0

3 years ago

Sara measures and finds that she can do a vertical jump that is 27% of her height. If she is 63 inches tall, how high (in inches

Tresset [83]

Answer:

sara can jump 17.01 inches high

Step-by-step explanation:

0.27×63=17.01

8 0

3 years ago

Please help me how to do no 5

snow_tiger [21]

Answer:

-864

Step-by-step explanation:

The determinant of a matrix product is the product of the determinants. The determinant of a transpose is the same as the determinant of the original. Hence ...

$|AB^5C^T|=(4)(-2)^5(\frac{1}{4})=-32$

The multiplication of an n×n matrix by a scalar 'a' multiplies its determinant by a^n, so the desired determinant is ...

$|3AB^5C^T|=3^3(-32) = \boxed{-864}$

3 0

3 years ago