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shutvik [7]
2 years ago
10

Please help I dont understand ​

Mathematics
1 answer:
Lunna [17]2 years ago
3 0
I also think that the answer is B too
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Solve for r. 35r-21<-35r+19
Mnenie [13.5K]

Good morning ☕️

Answer:

r < \frac{4}{7}

Step-by-step explanation:

35r-21 < -35r+19

⇌ 35r + 35r < 19 + 21

⇌ 70r < 40

⇌ r < 40/70

⇌ r < 4/7

_________________________

:)

5 0
3 years ago
The height of a soccer ball that is kicked from the ground can
AveGali [126]

Answer:

87.5

Step-by-step explanation:

By completing the square,

y

=-14x^2+70x

=-14(x^2-5x)

=-14(x-5/2)^2+175/2

the max. height=175/2

i.e. 87.5

8 0
3 years ago
Mel randomly selects a coin 150 times selecting a dime 30 times, the experimental probability is 1/5 what is the theoretical pro
Stolb23 [73]

Answer:

Step-by-step explanation:

We can calculate probability by looking at the outcomes of an experiment or by reasoning What is the theoretical probability that a fair coin lands on heads? Choose 1 answer:  Random numbers for experimental probability. This means that if we roll a die 60 times we can expect each of the six faces to come up.

Hope this helps.

Please give me brainliest if it is correct

6 0
2 years ago
9d - 5 = 4d + 35<br> find what d equals.
Debora [2.8K]
9d - 5 = 4d + 35

9d (-4d) - 5 (+5) = 4d (-4d) + 35 (+5)

5d = 40

5d/5 = 40/5

d = 8

hope this helps
3 0
3 years ago
Read 2 more answers
Mrs. Barrera learned that 21 of
otez555 [7]

Answer:

just do 21/25

Step-by-step explanation:

8 0
3 years ago
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