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tangare [24]
3 years ago
10

15 POINTS! NEED ANSWER FAST TY!

Mathematics
1 answer:
Elena-2011 [213]3 years ago
6 0

Answer:

the answer would be c

Step-by-step explanation:

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Someone help me with #19 pleasee!!
Whitepunk [10]

For problems like these, it's very helpful for looking at key words. 'How many more' suggests that one value is greater than the other by a certain amount, which means subtraction. Let's do the same for this equation.

If 165 is m greater than 130, then this means 130 + m = 165.

This will also mean that m is 130 less than 165. To solve this, isolate the variable and subtract 130 from both sides:

130 - 130 + m = 165 - 130

We will end up with m = $35. To prove this, plug 35 into the m value as shown below:

130 + (35) = 165, so the answer is $35 more is needed.


5 0
3 years ago
Consider the following sample data for two variables. x y 7 7 8 5 5 9 3 7 9 7 Calculate the sample covariance. b. Calculate the
Semmy [17]

Answer:

a) Sample co-variance = -1.5

b) Sample correlation = -0.4404152

c) Weak negative relationship between X and Y.

Step-by-step explanation:

a) by sample co-variance = sum ((x - xbar)* (y-ybar)/n-1

#.... use the following program in R

x = c(7,8, 5, 3, 9)

y = c(7,5,9,7,7)

sv = sum((x-mean(x))*(y-mean(y)))/4

cor(x,y)

####################################

4 0
3 years ago
Try to solve this if you can​
Salsk061 [2.6K]

Answer:

22

Step-by-step explanation:

f. 24-(5-9+18)÷7

24-(14)÷ 7

24 - 2 = 22

hope it helps.....

3 0
3 years ago
Read 2 more answers
Elena’s backyard is in the shape of a rectangle. She created a triangular-shaped flower bed (shown as the shaded region) to plan
mixer [17]

Answer:

Area of background without flower bed = 575 feet²

Step-by-step explanation:

Given:

Length of rectangle ground = 35 feet

Width of rectangle ground = 20 feet

Height of triangle bed = 10 feet

Base of triangle bed = 25 feet

Find:

Area of background without flower bed

Computation;

Area of background without flower bed = Area of rectangle - Area of triangle

Area of background without flower bed = [l x b] - (1/2)(b)(h)

Area of background without flower bed = [35 x 20] - (1/2)(25)(10)

Area of background without flower bed = 700 - 125

Area of background without flower bed = 575 feet²

6 0
3 years ago
Read 2 more answers
Find the mean from the data given below 72, 46,54,80, 99,62,56​
Archy [21]

Answer:

f8gogohohogifufur8tig9gogohohohogew6e64748585585858585885859585959595

4 0
3 years ago
Read 2 more answers
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