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never [62]
3 years ago
10

Evaluate −3x+5y when x=16 and y=14. Write your answer as a fraction in simplest form.

Mathematics
2 answers:
adelina 88 [10]3 years ago
8 0

Step-by-step explanation:

We need to place the value of x and y in the equation.

Let's Do!

\sf{ - 3x + 5y}

\rm{ - 3(16) + 5(14)}

\sf{- 48 + 70}

\rm{= 22}

As a fraction,

\bf{ = \dfrac{22}{1}}

is the required answer.

Hope it helps :)

emmasim [6.3K]3 years ago
6 0

Answer:

22??

Step-by-step explanation:

-3x + 5y

-3(16) + 5(14)

-48 + 70

22

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A rectangle has an area of 30 square units and a perimeter of 34 meters.what are the dimensions of this rectangle
enyata [817]
P=2L+2W
A=WL

Therefore, if P=34, and A=30, then let us find the factors of 30 that could give a sum of half of the perimeter which is 34. Therefore:

P=2*15+2*2
A=15*2

P=34
A=30

Therefore, the dimensions of this rectangle are 15 and 2.
7 0
3 years ago
Small cubes with edge lenghts of 1/4 will be packed into the rectangular prism how many small cubes will be needed to completley
Olegator [25]

Answer:

9216

Step-by-step explanation:

number of small cubes that would fill the prism = volume of prism / volume of small cubes

volume of a prism = length x width x height

3 x 6 x 8 = 144

volume of cube = length³

(1/4)³ = 1/64

144 ÷ 1/64

144 x 64 = 9216

6 0
3 years ago
In the following random experiment, decide whether the random variable X is binomial or not:
jok3333 [9.3K]

Answer:

(A) Binomial

Step-by-step explanation:

For each person, there are only two possible outcomes. Either they are left-handed, or they are not. This is the first condition for the random variable X being binomial.

The selections are independent, that is, the probability of a person being left handed is independent from other people. This is the second condition for the random variable X being binomial.

Since both conditions(only two outcomes, independent trials) are satisfied, the random variable X is binomial.

So the correct answer is:

(A) Binomial

7 0
4 years ago
MAKE YOU THE BRAINLIEST EASY QUESTION Show the formula for finding the area of a triangle. Then find the area of a right triangl
lesya692 [45]

Answer:

Formula to find the area of a triangle is 1/2(bxh). The area of the right triangle is 28.

Step-by-step explanation:

To solve this problem you would plug in the base and height into the formula and follow the order of operations (P.E.M.D.A.S). So the equation would then read 1/2(5x11.2). Once you solve inside the parenthesis, the equation then reads, 1/2(56). Then you solve what half of 56 is, which is 28.


I hoped this helped you!

6 0
3 years ago
Read 2 more answers
If a cone and sphere have the same radius and the same height, what is the relationship among the volumes of the two shapes?
Korvikt [17]

Answer:

the volume of the sphere will be 4 times the volume of the cone;

Step-by-step explanation:

<u>The question is on volume comparison</u>

Volume of a sphere=4/3 \pi×r³

Volume of a cone= \pi/3×r²h

where r is the radius and h is the height

<u>Apply the condition</u>

If r=h=1 unit

Then volume of sphere will be= 4/3 × \pi×1³ = 4/3\pi

And volume of the cone will be= \pi/3 ×1²×1 =\pi/3

We can see the volume of the sphere will be 4 times the volume of the cone;

4/3\pi = 4×\pi/3

3 0
4 years ago
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