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irinina [24]
3 years ago
15

Help !!! ANYBODY PLEASE HELP IM BEGGING U

Mathematics
1 answer:
matrenka [14]3 years ago
5 0

Answer:

Step-by-step explanation:

Blue- x+10y-10z

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Is the function tan t positive or negative in quadrant IV
Fofino [41]

tan t is negative in quadrant IV and positive in quadrants 1 / 3


7 0
4 years ago
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This giant banana is 8 inches long. How many 0.4 inch slices of banana can be cut from this giant banana
lyudmila [28]

Answer:

0.4 inch slices of banana can be cut from this giant banana is, 20

Step-by-step explanation:

Given that:

The giant banana is 8 inches long.

⇒Length of giant banana = 8 inches

We have to find  how many 0.4 inch slices of banana can be cut from this giant banana.

\text{Number of slices of banana} = \frac{8}{0.4}

⇒\text{Number of slices of banana} = \frac{80}{4}

Simplify:

\text{Number of slices of banana} =20

Therefore, 0.4 inch slices of banana can be cut from this giant banana is, 20

5 0
3 years ago
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Suppose babies born in a large hospital have a mean weight of 4022 grams, and a standard deviation of 266 grams. If 53 babies ar
irina [24]

Answer: 0.866

Step-by-step explanation:

Mean = 4022

SD = 266

We are looking for the probability of samples 45g differ than the mean. Hence 2 probability combination:

X>4067 and X<3977

Calculate for Z we'll get Z = 0.16917 and -0.161917

Using Z formula we can find P(Z=0.17) = 0.433

Since both probability will occupy the same area, total probability is 0.433x2 = 0.866

4 0
4 years ago
The area of a room is 425 square feet. The length is (x+10) and the width is (x+2) feet. Find the dimensions of the room.
podryga [215]

Answer:

length = 25 feet and width = 17 feet

Step-by-step explanation:

area (A ) = length × width, hence

A = (x + 10)(x + 2) ← expand factors

  = x² + 12x + 20

given A = 425, then

x² + 12x + 20 = 425 ( subtract 425 from both sides )

x² + 12x - 405 = 0 ← in standard form

(x + 27)(x - 15) = 0 ← in factored form

equate each factor to zero and solve for x

x + 27 = 0 ⇒ x = - 27

x - 15 = 0 ⇒ x = 15

but x > 0 ⇒ x = 15, therefore

length = 15 + 10 = 25 feet and width = 15 + 2 = 17 feet


7 0
4 years ago
Hi can anyone help me with this please ​
kupik [55]

Answer:

sure

Step-by-step explanation:

she multiplied it 3 times, so, i dont think 8 should be negative.

6 0
3 years ago
Read 2 more answers
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