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bearhunter [10]
3 years ago
5

HELP please please will give brainly

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

Answer:

1: x int = (-7,0)

y int = (0,-7)

2: x int = (4,0)

y int = (0,8)

Step-by-step explanation:

Just use a website called desmos. Simply your equation then plug it in.

You might be interested in
The ratio of Wei Ling's age to Wei Xuan's age 5 years ago was 2: 5. In 9 years
Archy [21]

Answer:

15 years old

Step-by-step explanation:

Start by defining the variables that we are going to use throughout our working:

Let the current age of Wei Ling and Wei Xuan be L and X years old respectively.

Next, form equations using the given information.

<u>5 years </u><u>ago</u>

Wei Ling: (L -5) years old

Wei Xuan: (X -5) years old

Given that the ratio of Wei Ling's age to that of Wei Xuan's is 2: 5,

\frac{ L - 5}{X - 5}  =  \frac{2}{5}

Cross multiply:

2(X -5)= 5(L -5)

Expand:

2X -10= 5L -25

2X= 5L -25 +10

2X= 5L -15 -----(1)

<u>9 years time</u>

Wei Ling: (L +9) years old

Wei Xuan: (X +9) years old

Given that the ratio of Wei Ling's age to that of Wei Xuan is 3: 4,

\frac{L + 9}{X + 9}  =  \frac{3}{4}

Cross multiply:

3(X +9)= 4(L +9)

Expand:

3X +27= 4L +36

3X= 4L +36 -27

3X= 4L +9 -----(2)

Let's solve using the elimination method.

(1) ×3:

6X= 15L -45 -----(3)

(2) ×2:

6X= 8L +18 -----(4)

(3) -(4):

6X -6X= 15L -45 -(8L +18)

0= 15L -45 -8L -18

0= 7L -63

7L= 63

L= 63 ÷7

L= 9

Substitute L= 9 into (1):

2X= 5(9) -15

2X= 45 -15

2X= 30

X= 30 ÷2

X= 15

Thus, Wei Xuan is 15 years old now.

6 0
3 years ago
I don't understand this question
Dimas [21]
Letter B is the answer
5 0
3 years ago
Given that a 12 foot long piece of steel pipe weighs 5 pounds per foot, how much does it weigh in kilograms per meter? 1 pound =
sdas [7]

Answer:

1 foot = 0.305 meters.

Convert 1 meter to feet:

1 meter = 1/0.305 = 3.28 feet

Find the weight in pounds per meter:

5 pounds x 3.28 feet = 16.4 pounds per meter.

Convert pounds per meter to kilograms per meter:

16.4 pounds x 0.454 kilograms per pound = 7.44 kg/m


4 0
3 years ago
German County is planning to expand its train service. In studying the current service, the county planner looked at which train
mash [69]

Answer:

a. Blue and orange train lines

b. 2

c. Cadiz York

Step-by-step explanation:

Given: Venn diagram

To find:

a. train lines that have a stop at Jena

b. Number of stations along both the Purple Line and the Blue Line

c. stations that are along all three lines

Solution:

A Venn diagram is a pictorial representation of mathematical sets such that as circles are drawn within a rectangle which represents an universal set.

a. Blue and orange train lines have a stop at Jena.

b. Volos Bern and Cadiz York lie in the intersecting part of blue line stations and purple line stations.

So,

Number of stations along both the Purple Line and the Blue Line = 2

c. Cadiz York lie in the intersecting part of blue line stations, purple line stations and orange line stations.

So, Cadiz York lie along all three lines

6 0
3 years ago
Please help me thanks
Helen [10]
16% is the correct answer for this question.
6 0
3 years ago
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