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Agata [3.3K]
3 years ago
8

For each diagram, decide if y is an increase or a decrease relative to x. Then determine the percent increase or decrease.(sry t

he stuff on the pic is black)

Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
4 0

Answer:

Step-by-step explanation:

A- Y is a decrease.

1/4 x 100 = 100/4 =25%

25% and decrease.

B- Y is a increase

1/4 x 100 = 100/4=25%

25% and increase.

VladimirAG [237]3 years ago
3 0

Answer:

In A: y is a 25% decrease of x

In B: y is a 25% increase of x

Step-by-sep explanation:

For A:

The diagram in A shows that x = 4, while y = 3.

Thus, this means that y decreased by 1, relative to x.

The percentage decease would be:

\frac{1}{4} \times 100

\frac{100}{4} = 25

Therefore, y is a 25% decrease of x.

For B:

The diagram for B shows that x = 4, while y = 5.

Thus, this means that y increased by 1, relative to x.

The percentage increase would be:

\frac{1}{4} \times 100

\frac{100}{4} = 25

Therefore, y is a 25% increase of x.

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Tyler went to the supermarket to buy food for a food pantry. He has $36, and can carry up to 20 pounds of food in his backpack.
Inessa [10]

Answer:

1,12/ Not a solution

2,10/ solution

4,5/ solution

6,10/ not a solution

12,8/ not a solution

18,6/ not a solution

Step-by-step explanation:

all you have to do is put it into the equation.


for example:

1,12

1x1+12x3= $37

1x1+12x1.5= 19lbs

This is not a solution because he can carry it but doesn't have the money to buy it.

3 0
3 years ago
A rate of 8 feet per second is equal to how many feet per minute?
Sveta_85 [38]
Since there are 60 seconds in a minute multiply 8 by 60
The rate is 480 feet per minute.
8 0
4 years ago
Read 2 more answers
Math help Please!!!!
GalinKa [24]

Part A. What is the slope of a line that is perpendicular to a line whose equation is −2y=3x+7?

Rewrite the equation  −2y=3x+7 in the form y=-\dfrac{3}{2}x-\dfrac{7}{2}. Here the slope of the given line is  m_1=-\dfrac{3}{2}. If m_2 is the slope of perpendicular line, then

m_1\cdot m_2=-1,\\ \\m_2=-\dfrac{1}{m_1}=\dfrac{2}{3}.

Answer 1: \dfrac{2}{3}

Part B. The slope of the line y=−2x+3 is -2. Since -\dfrac{3}{2}\neq -2\quad \text{and}\quad \dfrac{2}{3}\neq -2, then lines from part A are not parallel to line a.

Since -2\cdot \left(-\dfrac{3}{2}\right)=3\neq -1\quad \text{and}\quad -2\cdot \dfrac{2}{3}=-\dfrac{4}{3}\neq -1, both lines are not perpendicular to line a.

Answer 2: Neither parallel nor perpendicular to line a

Part C. The line parallel to the line 2x+5y=10 has the equation 2x+5y=b. This line passes through the point (5,-4), then

2·5+5·(-4)=b,

10-20=b,

b=-10.

Answer 3: 2x+5y=-10.

Part D. The slope of the line y=\dfrac{x}{4}+5 is \dfrac{1}{4}. Then the slope of perpendicular line is -4 and the equation of the perpendicular line is y=-4x+b. This line passes through the point (2,7), then

7=-4·2+b,

b=7+8,

b=15.

Answer 4: y=-4x+15.

Part E. Consider vectors \vec{p}_1=(-c-0,0-(-d))=(-c,d)\quad \text{and}\quad \vec{p}_2=(0-b,a-0)=(-b,a). These vectors are collinear, then

\dfrac{-c}{-b}=\dfrac{d}{a},\quad \text{or}\quad -\dfrac{a}{b}=-\dfrac{d}{c}.

Answer 5: -\dfrac{a}{b}=-\dfrac{d}{c}.

5 0
4 years ago
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PLease help me and thank you
Oksi-84 [34.3K]

Answer:

Hey there!

First, let's identify the point. We always go x axis first, then y axis, so the point is at (3, 8).

From the graph, we see that it means the tree is 8 feet tall and three years old.

Let me know if this helps :)

5 0
3 years ago
Can someone help me with my geometry. It is how to find x?
Mila [183]
X would be 45 degrees because we know that 45+x=90 degrees. You can tell because when both angles are put together, they make a 90 degrees angle. So, we subtract 45 from 90 to get 45 due to you needing to isolate x. Thus, the answer is 45 degrees. If you can, please mark me as brainliest.
5 0
3 years ago
Read 2 more answers
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