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mezya [45]
3 years ago
15

4. What does a purchasing power calculator compare?

Mathematics
1 answer:
zmey [24]3 years ago
8 0

Answer: A

Step-by-step explanation: A power calculator helps show how much the currency has changed therefore showing the past amount to the present amount

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Find the ordered pairs for the x- y-intercepts of the equation 4x+2y=16
erastovalidia [21]
The x-intercept is what 'x' is when 'y' is equal to 0. So plug in 0 for 'y' and solve for 'x':

\sf 4x+2y=16

\sf 4x+2(0)=16

Simplify:

\sf 4x=16

Divide 4 to both sides:

\sf x=4

So the x-intercept is (4, 0).

The y-intercept is what 'y' is when 'x' is equal to 0. So plug in 0 for 'x' and solve for 'y':

\sf 4x+2y=16

\sf 4(0)+2y=16

Simplify:

\sf 2y=16

Divide 2 to both sides:

\sf y=8

So the y-intercept is (0, 8).
3 0
3 years ago
Find the critical value necessary to form a confidence interval at the level of confidence shown below.
Rzqust [24]

Answer:

the critical value for 0.87 level of confidence is 1.51

Step-by-step explanation:

Given the data in the question;

level of confidence = 0.87

now,

1 - c = 0.87

c = 1 - 0.87

c = 0.13

c/2 = 0.13/2 = 0.065

now

1 - c/2  = 1 - 0.065 = 0.935

so our level of significance ∝ = 0.935

Now, the critical value will be;

Z_{0.935 is obtained as follows;

P( Z < z ) = 0.935

so we find the value from ( standard normal distribution table )

P( Z < 1.51 ) = 0.935

Therefore, the critical value for 0.87 level of confidence is 1.51

8 0
3 years ago
Determine if the two triangles are congruent. If they are, state<br> the condition.
RideAnS [48]

Answer:

HL

Step-by-step explanation:

Since we have two pairs of congruent sides with the included angle, one pair of which are the hypotenuses, then the triangles are congruent by HL.

5 0
3 years ago
Read 2 more answers
Compare the fractions. 4/7 1/6.<br> a. &gt;<br> b. =<br> c.
BabaBlast [244]
To start with, write both fractions with same denominator, i.e LCM of 6 and 7
Thus,
4/7=24/42

1/6=7/42
This means 4/7 is greater than 1/6
The answer is thus a
4 0
3 years ago
Read 2 more answers
What is the value of b that satisfies the equation below <br> 3(b+4)-2(2b+3)=-4
zloy xaker [14]

3(b+4)-2(2b+3)=-4 \\3b+12-4b-6=-4 \\-b=-10 \\b=10

The answer is C.

Hope this helps.

3 0
3 years ago
Read 2 more answers
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