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r-ruslan [8.4K]
3 years ago
11

Help me plsssssssssssss

Mathematics
1 answer:
Zinaida [17]3 years ago
7 0

Answer:

40mph

Step-by-step explanation:

(60mph+20mph)/2

40

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Write an expression equivalent to 5x squared-15x
ExtremeBDS [4]
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How to find the y intercept for4x+6y=270
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make y the subject!

4x+6y=270

6y=-4x+270

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y-intercept is 45

4 0
3 years ago
The product of 16 and x is equal to 32
stiks02 [169]

Answer:

x=2

Step-by-step explanation:

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Hope this helps :)

3 0
3 years ago
If it is 5 degrees outside, and the temperature will drop 12
kolezko [41]

Answer:

-7 degrees

Step-by-step explanation:

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7 0
3 years ago
For males in a certain town, the systolic blood pressure is normally distributed with a mean of 120 and a standard deviation of
KengaRu [80]

Answer:

G=93\ to\ 147

Step-by-step explanation:

From the question we are told that

Mean x= 120  

Standard deviation \sigma= 9

Percentage for men =99.75%

Generally the empirical rule 68%,95% and 99.7% of data value lay b/w 1,2,3 standard deviation of mean  

Standard deviation n= 9

Mean x= 120

Generally the interval  of systolic blood pressure for middle 99.7 of male G is mathematically given as

G=Mean \pm 3* \sigma

G=120 \pm 3*9

G=93\ to\ 147

6 0
2 years ago
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