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3 years ago

7th grade math help me pleasee

Mathematics

2 answers:

zimovet [89]3 years ago

7 0

Answer:

a, c, b

Step-by-step explanation:

ITS CORRECT TRUST MEEE

makkiz [27]3 years ago

5 0

Answer:

a. 18* celsius.

b. 0* celsius.

c. -12* celcius.

Step-by-step explanation:

Hope my answers helped.-

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Write the following number in standard form: 3.471 x 10 to the power of negative 3

iogann1982 [59]

Answer:

=-3471 is the answer this may help you.

Step-by-step explanation:

=3.471×10^-3

=3.471×-1000

=-3471

8 0

3 years ago

Can someone please help me with the first 2 questions?

Ber [7]

Answer:

a) 10.47

b) 10.23

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2 years ago

Read 2 more answers

Consumer products are required by law to contain at least as much as the amount printed on the package. For example, a bag of po

Troyanec [42]

Answer:

The average bag weight must be used to achieve at least 99 percent of the bags having 10 or more ounces in the bag=9.802

Step-by-step explanation:

We are given that

Standard deviation, $\sigma=0.2$ ounces

We have to find the average bag weight must be used to achieve at least 99 percent of the bags having 10 or more ounces in the bag.

$P(x\geq 10)=0.99$

Assume the bag weight distribution is bell-shaped

Therefore,

$P(\frac{x-\mu}{\sigma}\geq 10)=0.99$

We know that

$z=\frac{x-\mu}{\sigma}$

Using the value of z

Now,

$\frac{10-\mu}{0.2}=0.99$

$10-\mu=0.99\times 0.2$

$\mu=10-0.99\times 0.2$

$\mu=9.802$

Hence, the average bag weight must be used to achieve at least 99 percent of the bags having 10 or more ounces in the bag=9.802

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3 years ago

The length of a rectangle is four times the width. The perimeter of the rectangle is 45 inches. Write a system of equations that

Nady [450]

Step-by-step explanation:

2×length + 2×width = 45

length = 4×width

now, we are using the second equation (a variable identity) in the first equation

2×4×width + 2×width = 45

8×width + 2×width = 45

10×width = 45

width = 45/10 = 4.5 in

length = 4×width = 4×4.5 = 18 in

the area of the rectangle is

length × width = 18 × 4.5 = 81 in²

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2 years ago

Solve : 13(3+2x)−1=10

Vinvika [58]

X= -14/13

Solve for X by simplifying both sides of the equation, the isolating the variable.

I hope this helps.

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3 years ago