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Lesechka [4]
3 years ago
5

PLEASE HELP

Mathematics
1 answer:
zaharov [31]3 years ago
5 0

Answer: $85.38

Step-by-step explanation:

67.95 - 60% + 7% = $67.42

18.49 - 60% + 7% = 17.96

67.42 + 17.96 = $85.38

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Write the expression as a single multiplication sentence without
Karo-lina-s [1.5K]

Answer:

11×20

Step-by-step explanation:

15 + 5 = 20

5 0
3 years ago
A statistics instructor likes to assign the material as reading in the textbook and then give a pretest before covering the mate
klio [65]

Answer:

b. The student's scores on the posttest would have a smaller standard deviation.

Step-by-step explanation:

The first test is taken before the material is covered in class so we expect the standard deviation to be high because not everyone's scores would be lying close to the mean. Equal number of students mastered most, some or almost none of the material from reading the textbook based on the pretest result. this means the data is varying, so the standard deviation is large.

Whereas, after the teacher has taught the material and given the homework, they must have understood most of the material. The test they take after teaching as a post test. The results of the post test would have a smaller standard deviation as most of the students would have scored good. Hence, the student's scores on the posttest would have a smaller standard deviation.

8 0
3 years ago
I NEED HELP ASAP: Bonnie deposits $80.00 into a new savings account.
Paha777 [63]

Answer:

17.60

Step-by-step explanation:

Please see the attachment for the step by step answer

4 0
2 years ago
During gym class, Lenny, Lonnie, and Lainey measure the length of their long jumps. Lenny’s jump is ⅔ times the length of Lainey
Svetllana [295]

Answer: Lonnie’s Jump

Step-by-step explanation:

         (They just <em>had</em> to give three names that all started with L.)

         Since Lenny's jump is ⅔ times the length of Lainey’s, we can tell that Lenny's jump won't be the longest because it is already smaller than Lainey's.

         Since Lenny is now out of the picture, let us look at Lonnie and Lainey. Lonnie’s jump is 1 ⅓ times the length of Lainey’s. Since Lonnie's jump is longer than Laniey's, Lonnie's jump is the longest jump.

3 0
2 years ago
Which symbol correctly completes the statement? -7+2__3+(-)<br><br><br><br><br> &gt;,&lt;, =
OlgaM077 [116]

Answer:

Step-by-step explanation:

<

Hope that helps!

4 0
3 years ago
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