3 years ago

Write a story problem for the addition sentence 7 +__=9.solve the story problem.

2 answers:

6 0

Katelan has 9 friends as guests for a costume party. Katelan is elaborating carnival masks for them. So far , she has made 7 masks. How much more masks is Katelan left to do?

Answer: Katelan has 2 masks left to do . Because 7 (plus) 2 is 9.

Lerok [7]3 years ago

4 0

You can do subtraction 9-7=2. Riley made 9 cookies hannah ate some they have 7 left how many more does she need to get back to how many she had before

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On a field trip when their bus breaks down 40 miles from the school. A teacher takes 5 of them back to school in her car, travel

IceJOKER [234]

I think it would be 8 miles: it would have been 2 hours, so 4 * 2 is 8 miles.
:) Hope this helps!

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3 years ago

A random sample has been selected from a population. The point estimate = 78.65 and margin of error E = 8.24 for a 90% confidenc

fiasKO [112]

Answer:

90% confidence interval: (70.41,86.89)

Step-by-step explanation:

We are given the following in the question: