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Goshia [24]
3 years ago
11

Derek is writing a report on cell phone usage. He collects data from a random sample of seventh graders in his school, and finds

that 16 out of 20 seventh graders have cell phones. If there are 290 seventh graders in his school, estimate the number of seventh graders that have cell phones.
Mathematics
1 answer:
7nadin3 [17]3 years ago
5 0

Answer: 232

Step-by-step explanation:

Use the ratio and cross multiply to find answer. 16/20=4/5 of 290 Multiply 4x290=1160 then divide by 1160÷5 =232

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Identify the examples as primary sources or secondary sources.
algol13

Answer:

Primary : letters, artifacts, contracts

Secondary : documentaries, encyclopedias, biographies

Step-by-step explanation:

(I'm not too sure about contracts, so you might want to check yourself for that one)

5 0
3 years ago
Indicate True of False for 3g > 15 Substitute 5 for g.
olga55 [171]

Answer:

False

Step-by-step explanation:

(3)(5)>15

15>15

False

7 0
3 years ago
Using the graph to the right, write the ratio in simplest form. BD/AD
Romashka [77]

Answer:

\frac{BD}{AD} = \frac{5}{7}

Step-by-step explanation:

Coordinate of B = 1

Coordinate of D = 6

Coordinate of A = -1

BD = |1 - 6| = 5 units

AD = |-1 - 6| = |-7| = 7 units

\frac{BD}{AD}

Plug in the values

\frac{BD}{AD} = \frac{5}{7}

6 0
3 years ago
Which of the following functions shows the quadratic parent function, F(x)= x2, vertically compressed?
Mekhanik [1.2K]

If the function is vertically compressed, the resulting function will be g(x) = 3/4x^2

<h3>Vertical compression of a function</h3>

Quadratic functions are functions that has a leading degree of 2. Given the parent function f(x) = ax^2

where

2 is the exponent/degree

If the function is vertically compressed, the value of a must be less than 1, hence the possible expression when vertically compressed is g(x) = 3/4x^2

Learn more on vertical stretch here:  brainly.com/question/14325265

#SPJ1

8 0
2 years ago
Please help me it would matter so much
antoniya [11.8K]
The answer is D. 2
(Could you let me know if i am correct?)
4 0
4 years ago
Read 2 more answers
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