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Lerok [7]
2 years ago
12

On discovering that her family had a 70% risk of heart attack, Erin took a treadmill test to check her own potential of having a

heart attack. The doctors told her that the reliability of the stress test is 67%. What is the probability that Erin will not have a heart attack and the test predicts that she will?
A.
0.099

B.
0.201

C.
0.231

D.
0.469
Mathematics
1 answer:
Wittaler [7]2 years ago
7 0
The answer i think is D
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Picture, brainliest
seraphim [82]

Answer:

165

Step-by-step explanation:

210/3=70

110/2=55

70×11=770

55*11=605

770-605= 165

y would be 165 greater in the table than on the graph when x=11

7 0
3 years ago
Find the area of the composite figure
nordsb [41]

Answer:

162 in

Step-by-step explanation:

Split this shape into two rectangles:

The big rectangle has a base of 16 and a height of 7 (subtract 12-5=7 for height) Multiply base*height to get area of big rectangle:

16*7 = 112 in

The small rectangle has a base of 10 and a height of 5. Mulitply base*height to get area of small rectangle:

10*5 = 50 in

Add both areas together:

112+50= 162 inches

5 0
3 years ago
Can you please help me with this question and i will give you a Brainiest
Flauer [41]

Answer:

infinite soulutions

Step-by-step explanation:

m+7=3+m+4

m+7=m+3+4 (Combine Like Terms)

m+7=m+7

Step 2: Subtract m from both sides

m+7−m=m+7−m

7=7

4 0
2 years ago
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Sorry to be annoying but there's another question i don't understand... :)
miskamm [114]

Answer:

8.20

Step-by-step explanation:

6.15*4=24.6

since they only bought 3 tickets because of the deal

you divide 24.6 by 3 and get 8.20

3 0
2 years ago
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Solve for x. Show your work.<br><br> -1/2 x &lt; -12
lesantik [10]
All you need to do is divide -1/2 onto the other side.

-1/2x<-12

-12/ (-1/2)= 6 (a negative and a negative equals a positive)

Also, since you are dividing a negative, you flip the sign.

x>6

I hope this helps!
~cupcake
3 0
3 years ago
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