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3 years ago

Can someone tell me what’s the answer to this question pls and thank you I will give brainliest

Mathematics

1 answer:

WARRIOR [948]3 years ago

4 0

<h3><u>Out of the four options, the letter B is a function.</u></h3>

A function cannot have an x value with two different listed y terms.

B is the only option that does not repeat x terms.

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A is the point with coordinates (4,6)

DerKrebs [107]

Answer:

d = 9

Step-by-step explanation:

Calculate the slope of ab then equate to 3.

Calculate the slope m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (4, 6) and (x₂, y₂ ) = (d, 21)

m = $\frac{21-6}{d-4}$ = $\frac{15}{d-4}$ = 3 ( multiply both sides by d - 4 )

3(d - 4) = 15 ( divide both sides by 3 )

d - 4 = 5 ( add 4 to both sides )

d = 9

3 0

3 years ago

Why am I so bad at math!!! Please help me. It would be much appreciated. ☻☺

Gnesinka [82]

X + 2y = -6
2y = -x - 6
y = (-x - 6)/2

answer is D. Last one

y = (-x - 6) / 2

8 0

4 years ago

turn the improper fraction into a mixed number c)45/7 d)20/3 turn these numbers in to a mixed number please help

MariettaO [177]

A mixed number looks like this: a(b/c)
The improper fraction currently looks like this: (ab/c)
Round the numerator to something you can divide by the denominator. For example, 45 would be rounded to 42. 42/7=6. 6 would be the whole number.
45-42=3. 3/7 is the new fraction.
So the answer for c is 6(3/7)
Do you know how to do d?

7 0

3 years ago

Eloise scored a total of 268 points during the basketball season. Of her total points, l points came from left handed shots. She

Naddik [55]

Answer:

$\bold{268=225+}l$

Step-by-step explanation:

Given that:

Total points scored in basketball season, T = 268

Points scored from right handed shots, R = 225

Points scored from left handed shots = $l$

To find:

To write an equation to describe the situation and find the value of $l$ for left handed shots ?

Solution:

We know that the points can be scored in basketball either by right hand shots or by left hand shots.

In other words, we can say that:

Total points scored in basketball season = points scored from right handed shots + points scored from left handed shots

i.e.

$T = R + l\\\Rightarrow \bold{268=225+}l$

So, the equation is:

$\bold{268=225+}l$

Now, let us find the value of $l$ from the above equation:

$l=268-225\\\Rightarrow \bold{l = 43}$

Number of points scored from left handed shots = <em>43</em>

8 0

3 years ago

What is the volume of the metal in this heavy-duty pipe? (It is not drawn to scale and the inside of the pipe is empty space.) S

Jlenok [28]

The volume of the pipe is about 282.6 cubic feet.

First, we need to find the area of each circular cross section and subtract them to find the width of the pipe. The area of a circle is pi(r^2).

pi(3^2) - pi(2^2)
28.26 - 12.56 = 15.7

The width of the pipe is 15.7. Now, multiply that by 18 to find the volume.
15.7 x 18 = 282.6

6 0

3 years ago