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DedPeter [7]
3 years ago
9

Is the point (−7,1) a solution to the inequality y<0.5x+9? yes or no

Mathematics
1 answer:
pshichka [43]3 years ago
4 0
(-7,1) is a solution to the inequality y<0.5x+9
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What is the value of x to the nearest tenth? <br> A) 3.3<br> B) 9.5<br> C) 8.0<br> D) 4.7
Alisiya [41]

Answer:

D) 4.7

Step-by-step explanation:

this perpendicular connection with the circle center cuts this intersecting line in half, which is therefore on both sides of x 6.5 long.

I assume 16 is the diameter, so the radius is 8.

therefore, x is one side of the right-angled triangle of

radius

x

half of the intersecting line

Pythagoras

8² = x² + (6.5)²

64 = x² + 42.25

21.75 = x²

x = 4.7

6 0
2 years ago
In 1983, a can of house paint cost $16.35. In 2000, a can of house paint cost $28.94, and in 2005, a can of house paint cost $32
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The Consumer Price Index is calculated through the equation,
                             CPI = (current period price/base period price) x 100
The base period is 1983. Solving the CPIs for 2000 and 2005
         (2000) 
                             CPI = ($28.94/$16.35) x 100 = 177
        (2005)           
                             CPI = ($32.54/$16.35) x 100 = 199
The difference between the CPIs of 2005 and 2000 is 199 - 177 = 22. 
8 0
3 years ago
Read 2 more answers
What is the equation of the graph ?
mezya [45]
5 over and 4 ^. not sure if this is correct but that’s what i got
8 0
3 years ago
In ΔCDE, the measure of ∠E=90°, the measure of ∠D=23°, and EC = 1.3 feet. Find the length of DE to the nearest tenth of a foot.
BabaBlast [244]

Answer: length of DE is about 3.3 ft

Step-by-step explanation:  A calculator is necessary!

DE is the unknown hypotenuse of the triangle

get the sine of 23° = 0.3907311285

Use the equation for sine

<em>sin = o/h</em> .

To find h,  Substitute values for sin and o.  O is EC, Opposite the 23° angle D

<em>0.3907311285 = 1.3/h</em> multiply both sides by h

h(0.3907311285) = 1.3 divide both sides by 0.3907311285

h = 1.3/0.3907311285

3.327096065 = h, the length of the hypotenuse, DE.

7 0
2 years ago
Find the value of x in the figure
Luden [163]
34.90 is the answer ♡♡
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3 years ago
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