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Elza [17]
3 years ago
13

Given the equation y = 2x + 4, what would the value of y be when x = 1? 5 7 1 6

Mathematics
1 answer:
zlopas [31]3 years ago
5 0

Answer:

6

Step-by-step explanation:

y=2x+4

y=2(1)+4

y=2+4

y=6

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Heights​ (cm) and weights​ (kg) are measured for 100 randomly selected adult​ males, and range from heights of 138 to 190 cm and
mart [117]

Answer:

Best predicted value of y' = 86.16 kg

Step-by-step explanation:

Given,

n = 100

Range of heights = 138 - 190cm

Range of weight = 39 to 150 kg

x' =167.46 cm

y' = 81.44 kg

r = 0.108

p value = 0.285

y = - 105 + 1.08x

Significance level = 0.05

We reject H0 since pvalue, 0.285 is less than significance level of 0.05.

Therefore,

Given height of adult male, x = 177 cm

y = - 105 + 1.08x

The best predicted value of y' =

y' = - 105 + 1.08(177)

y' = 86.16 kg

The best predicted value of y' is 86.16kg

6 0
3 years ago
7-5x+1 please answer i need this NOW!!!!!!!!!!!!!!!!!!!!!
Alisiya [41]

Answer:x=8/5 or 1.6

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Step-by-step explanation:

5 0
3 years ago
=−2x^2 +8 +3<br> write in vertex form
Oxana [17]

Answer:

y=-(x+0)^2+11

8 0
3 years ago
A model is 4.2 feet tall, the plywood used to make the model is 0.6 inch thick. How many sheets of plywood to make the model?
nadya68 [22]
Answer=84 sheets

4.2feet
1 foot=12 inches

4.2*12=<span>50.4inches

50.4/0.6=</span><span>84 sheets</span>
4 0
3 years ago
Which statement correctly identifies a point on the graph of f–1(x)?
Black_prince [1.1K]

Answer:

Step-by-step explanation:

I didn’t see any choices but an inverse function switches the x and y values.

For every (x,y) of f(x) the inverse function will have (y,x) of f^-1(x)

7 0
3 years ago
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