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3 years ago

Determine whether the given value is a statistic or parameter a survey found at 97% of all respondents have jobs

Mathematics

1 answer:

kykrilka [37]3 years ago

4 0

Answer:

b) The value is a statistic because it is a numerical measurement describing some characteristic of a sample

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What is the slope and y-intercept of this<br> equation? y = 5x

denis-greek [22]

Answer:

Slope- 5 y-int- (0,0)

Step-by-step explanation:

y=mx+b, where m=slope and b=y-int. m=5, and we don't see a b, so it must be 0.

8 0

3 years ago

A sampling of hemlock trees revealed that 7 out of 190 trees are infected with insects. About how many of the 950 hemlock trees

nignag [31]

Answer:

About 35 trees in a state park are infected with insects

Step-by-step explanation:

we know that

7 out of 190 trees are infected with insects

using proportion

Find out about how many of the 950 hemlock trees in a state park are infected with insects

$\frac{190}{7}=\frac{950}{x} \\\\x=7(950)/190\\\\x= 35$

therefore

About 35 trees in a state park are infected with insects

3 0

3 years ago

Evaluate each expression when x = 8, and z = 10

sveticcg [70]

Answer:

x = 2

y = 4

z = 8

1. xy

2. x + z

3. z - y

4. x + y + z

14Step-by-step explanation:

7 0

2 years ago

X÷ 5+1 = 11<br> X =<br> What does X =

Serjik [45]

Answer:

x = 2

Step-by-step explanation:

x/5 + 1 = 11
x/5 = 10
x = 50

7 0

2 years ago

Write a equivalent expression for 12a+60

viva [34]

Answer: 12(a+5)

Step-by-step explanation: factor out 12 from the expression

ANSWER 12(a+5)

8 0

3 years ago