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zhenek [66]
2 years ago
11

Can someone explain to me Linear Equations being equivalent?

Mathematics
1 answer:
atroni [7]2 years ago
8 0

Answer:

Step-by-step explanation:

x² = 4 has two solutions, x=2 and x=-2.

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Helen paid $246 for three jeans from her favourite clothing store. How much did she pay for each jeans she bought?
Natali5045456 [20]

Answer:

estimate: $80

exact amount paid: $82

Step-by-step explanation:

If you round $246 to 240, then divide it by 3, you should get $80. The cost per pair should be around $80 each

For the exact answer you take the amount spent (246) and divide it by the amount of jeans she bought (3).

246/3 = 82

7 0
2 years ago
Translate (11, 3) 8 units up and 14 units left<br> What’s the answer
Lubov Fominskaja [6]

Answer: 3, 11

Step-by-step explanation:

Y= 3+8 = 11

X= 11-14=3

4 0
2 years ago
Read 2 more answers
A rectangle is 19 feet long and 3 feet wide what is the area
Lisa [10]
19 times 3 equals = 57ft squared. Area = 57ft squared
8 0
3 years ago
In ∆ABC, AC = 15 centimeters, m B = 68°, and m C = 24°. What is BC to two decimal places?
Ahat [919]

B

C

=

16.17

(

2

d

p

)

c

m

Explanation:

In triangle ABC, side

A

C

=

15

, Angles are

∠

B

=

68

0

;

∠

C

=

24

0

and

∠

A

=

180

−

(

68

+

24

)

=

88

0

We know by sine law

A

C

sin

B

=

B

C

sin

A

or

15

sin

68

=

B

C

sin

88

or

B

C

=

15

⋅

sin

88

sin

68

=

16.17

(

2

d

p

)

c

m

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
KEVIN'S GAS TANK IS 1/6 FULL. AFTER HE BUYS 14 GALLONS OF GAS, IT IS 3/4 FULL. HOW MANY GALLONS CAN KEVIN'S TANK HOLD?
Reika [66]

\frac 1 6 t  + 14 = \frac 3 4 t


14 = (\frac 3 4 - \frac 1 6)t = (\frac 9{12} - \frac{2}{12}) t = \frac {7}{12} t


t = \frac{12}{7} (14) = 24


Answer: 24 gallons


Check: (1/6)24=4, 4+14=18, 18/24=3/4, good


5 0
3 years ago
Read 2 more answers
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