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2 years ago

PLESE HELP ME RN PLEASE

Mathematics

1 answer:

Alisiya [41]2 years ago

4 0

Answer:

16+3x=22.75

22.75-16=6.75

6.75÷3=2.25=x

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Write and solve a system of equations for this question please

andre [41]

Let b and s be the velocity of the boat and stream respectively....

3(b-s)=27

b-s=9

b=9+s we will use this in the second equation....

2(b+s)=30

b+s=15, now use b found above in this to get:

9+s+s=15

2s+9=15

2s=6

s=3, and since from earlier b-s=9, b=9+s so

b=12

So the speed of the boat is 12mph and the stream is 3 mph

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3 years ago

A certain delivery service offers both express and standard delivery. 75% of parcels are send by standard delivery and 25% are s

Nikitich [7]

Answer:

pictures are in order

Step-by-step explanation:

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2 years ago

A vertical plane intersects the three-dimensional object in the image and divides the object into equal halves. What is the shap

Zolol [24]

The cross section would be a semicircle because a cross section of the whole thing would be a circle

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3 0

3 years ago

Read 2 more answers

Rewrite -4/15 as an equivalent fraction

timofeeve [1]

$(\frac{-4}{5} )$ in the form of Equivalent Fraction can be written as $\frac{-4x}{15x}$ , where "x" is any integer.

As per the question statement, we are provided with a fraction, $(\frac{-4}{5} )$ .

We are required to rewrite the above mentioned fraction in the form of a general Equivalent Fraction.

To solve this question, we need to know what an equivalent fraction is.

Equivalent fractions are those fractions that have different numerators and denominators but are equal to the same value, when simplified.

For example, $(\frac{1}{2}, \frac{2}{4}, \frac{3}{6}, \frac{4}{8})$ all equate to $\frac{1}{2}$ when simplified.

Now, for this case, equivalent fractions of $(\frac{-4}{5} )$ are $(\frac{-8}{30}, \frac{-12}{45}, \frac{-16}{60},...)$ , where

$\frac{-8}{30}=\frac{(-4)*2}{15*2}\\\frac{-12}{45}=\frac{(-4)*3}{15*3}\\ \frac{-16}{60}=\frac{(-4)*4}{15*4}$

i.e., the equivalent fractions of $(\frac{-4}{5} )$ are in the form of $\frac{-4x}{15x}$ , where "x" can be any integer, (...-6, -5, -4, -3, -2, -1, 2, 3, 4, 5, 6...)

Fractions: In mathematics, a fraction is a numerical entity that is not a whole number.

To learn more about fractions, click on the link below.

brainly.com/question/17912

#SPJ9

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11 months ago

Calvin's plane is flying at a speed of 600 miles per hour. If y represents the distance the plane has traveled and z represents

Ksenya-84 [330]

Answer:

Step-by-step explanation:

the answer is d because the amount of speed changes the total amount of distance that he travels in time

7 0

2 years ago