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3 years ago

10

Mathematics

2 answers:

lora16 [44]3 years ago

8 0

Answer:

(0, 3)

Step-by-step explanation:

(0, 3) is the following is the midpoint between (3, 2) and (-3, 4)

Vladimir [108]3 years ago

3 0

(0,3) is the answer

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150 calories and 30 grams how many calories are in 7 grams

exis [7]

Answer:

35 calories

Step-by-step explanation:

create a proportion and solve.

30/150= 7/x

7 0

3 years ago

At a stop sign, some drivers come to a full stop, some come to a rolling stop' (not a full stop, but slow down), and some do not

Natasha2012 [34]

Answer:

Option C.

Step-by-step explanation:

Given information:

Male-Full stop = 6, Male-Rolling stop = 16, Male-No stop = 4

Female-Full stop = 6, Female-Rolling stop = 15, Female-No stop = 3

Using the given information we get

Total number of males = 6 + 16 + 4 = 26

Total number of males = 6 + 15 + 3 = 24

Probability of No stop is

$p=\dfrac{\text{No-stop}}{Total}$

$p=\dfrac{4+3}{50}$

$p=\dfrac{7}{50}$

We need to find the number of males that would we expect to not stop at all.

Expected number of males = Number of males × Probability

Expected number of males = $26\times \dfrac{7}{50}$

Expected number of males = $3.64$

Therefore, the correct option is C.

7 0

4 years ago

Help me please i don’t understand

vazorg [7]

Answer:

In 2 months, that cost is $80

Step-by-step explanation:

Option 1: after 2 months they will have paid 40 for set-up and 20*2 for cost per month so 40 + 40 = 80

Option 2: after 2 months they will have paid 0 for set-up and 40*2 for cost per month so 0 + 80 = 80

6 0

3 years ago

Read 2 more answers

Which number doesn't belong?<br> 9 16 25<br> 43

Alex

Answer:

Step-by-step explanation:

Square root of 9 is 3

Square root of 16 is 4

Square root of 25 is 5

Square root of 43 is not a whole number.

8 0

3 years ago

Read 2 more answers

The length of a rectangle is 7 meters more than four times its width if the area of the rectangle is 650 square meters, find the

mrs_skeptik [129]

Let the width be x.
Width = x
Length = 4x + 7

The area is 650 m²

x(4x + 7) = 650
4x² + 7x - 650 = 0

Using quadratic formula:
$x = \dfrac{-b \pm \sqrt{b^2 - 4ac} }{2a}$

a = 4, b = 7, c = -650

$x = \dfrac{-7 \pm \sqrt{7^2 - 4(4)(-650} }{2(4)}$

$x = 11.9 \ or\ x = -13.7 \text {(rejected, length cannot be negative)}$

Width = 11.9m
Length = 4(11.9) + 7 = 54.6m

Answer: Length = 54.6m and width = 11.9m

4 0

3 years ago