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Arada [10]
4 years ago
12

What is the solution to linear equation? 2x+y=1 and 3x-y=-6

Mathematics
1 answer:
Gnoma [55]4 years ago
4 0
If im right, the answer to this linear equation is (-1,3) on a dotted/point graph.
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Amy uses 2/3 of yard of fabric for each pillow she makes. How many yards of fabric will she need in order to make 8 pillows? Wri
Rama09 [41]

Answer:

5 1/3 yds

Step-by-step explanation:

2/3 yds of fabric per pillow

8 pillows

2/3* 8 = 16/3 yds of fabric

Changing from an improper fraction to a mixed number

3 goes into 16 5 times with 1 left over

5 1/3 yds

5 0
3 years ago
Read 2 more answers
Plese help with 11. Tysm means thank you soo much
Solnce55 [7]

Answer:

13/20 lbs

Step-by-step explanation:

1/4 lbs screws + 2/5 lbs nails

We need to get a common denominator

That would be 20

1/4 *5/5 + 2/5 *4/4

5/20 + 8/20

13/20 lbs

3 0
3 years ago
Read 2 more answers
Find the missing length. show work!! 20 points
Marrrta [24]

Answer:

15

Step-by-step explanation:

According to propagation rule,

\frac{9}{3} =\frac{x}{5} \\45=3x\\x=15

Therefore, option (B) is correct

4 0
3 years ago
:. In the diagram below, AC is congruent to CE and D is the midpoint of CE. If CE = 10x + 18, DE = 7x - 1, and BC = 9x - 2, find
mihalych1998 [28]

Answer:

25

Step-by-step explanation:

Since AC is similar to CE, we can say that they have equal lengths. We are given CE, DE, and BC. To solve this, we can solve for the length of CE (equal to AC) and then subtract that from BC.

To solve for CE, we are given DE and CE. We know that DE is 1/2 of CE because D is the midpoint of CE. Therefore,

7x-1 = 1/2(10x+18)

expand

7x-1 = 5x  + 9

add 1 to both sides to separate the 7x

7x = 5x + 10

subtract 5x from both sides to separate the x

2x = 10

divide both sides by 2 to separate the x

x=5

Therefore, DE = 7(5)-1 = 34 and CE = 10(5) + 18 = 68 = AC.

Using x=5, we know that BC  = 9(5) -2 = 43

Therefore, AB = AC-BC = 68-43 = 25

3 0
3 years ago
Jamie is selling tickets at a whale watch at a local beach.The tickets cost $24.40 for an adult and $14.50 for a child.Jamie ear
wariber [46]
30% = .3

.3(24.40a + 14.50c)

24.40 = cost of adult ticket
14.50 = cost of child ticket
a = # of adult tickets sold
c = # of child tickets sold

.3 * 24.40a + .3 * 14.50c
answer: 7.32a + 4.35c 

7 0
4 years ago
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