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TiliK225 [7]
4 years ago
8

Two angles that are complementary form a right angle

Mathematics
1 answer:
faltersainse [42]4 years ago
8 0
Yes!!!!!!!!!!!!! OKAY!
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Solve 110 = 10p. <br><br> p = 12 <br><br> p = 100 <br><br> p = 120 <br><br> p = 11
Temka [501]
You would need to divide both sides by 10.
110=10p
11=p
6 0
4 years ago
Sam bought a car valued at $7700. One year later the car’s value had decreased by 2/7. What is the new value of the car?
taurus [48]

Answer:

$5500 is the new value of the car.

Step-by-step explanation:

actual value of car=$7700

fraction of value decreased=2/7

so, amount of car's value decreased=

$(2/7)*7700.

=$2*(7700/7)

=$2*1100

=$2200

so, new value of car=$(7700-2200) =$5500

3 0
4 years ago
Read 2 more answers
Height of men on a baseball team have a bell-shaped distribution with a mean of 180 cm and a standard deviation of 8 cm. using t
Lapatulllka [165]

Answer:

a. 99.7%

b. 68%

Step-by-step explanation:

The empirical rule for approximately symmetrical and bell-shaped distributions states that:

68% of the data are among the values  (means - sd) and (means + sd)

95% of the data are among the values  (means - 2*sd) and (means + 2*sd)

99.7% of the data are among the values (means - 3*sd) and (means + 3*sd). So that,

68% of the data are among the values  (180 - 8) = 172 and (180 + 8) = 188

95% of the data are among the values  (180 - 16) = 164 and (180 + 16) = 196

99.7% of the data are among the values (180 - 24) = 156 and (180 + 24) = 204

3 0
3 years ago
Past experience indicates that the time re- quired for high school seniors to complete a standard- ized test is a normal random
seropon [69]
With a standard deviation of 6 minutes, we will test the hypothesis that σ = 6 against the alternative that σ < 6 if a random sample of the test times of 20 high school seniors has a standard deviation s = 4.51. use a 0.05 level of significance. <span /><span><span>
</span></span>
6 0
3 years ago
Graph the system of equations below and find the solution. y = 2x y = -x + 6
aleksandrvk [35]

Answer:

(2,4)

Step-by-step explanation:

To graph, draw a straight line connecting:

(0,0) & (1,2) for y = 2x

(0,6) & (6,0) for y = -x + 2

y = 2x

y = -x + 6

2x = -x + 6

3x = 6

x = 2

y = 2x = 4

5 0
3 years ago
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