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jasenka [17]
3 years ago
8

How you do this? I've been trying but I keep getting it wrong​

Mathematics
1 answer:
zmey [24]3 years ago
6 0

Answer:

you plug in (y) with the top equation

Step-by-step explanation:

step 1: 2x+1/2x-1=-6

step 2: 2.5x-1=-6

step 3: 2.5x-1=-6

+1. +1

step 4: 2.5x= -5. Divide both sides by 2.5

-5/2.5 = -2

step 5: plug in your (x) to find (y)

y= 1/2(-2)-1

step 6: 1/2(-2) = -1

y=( -1)-1

y=-2

step 7: (x,y)= (-2,-2)

step 8: graph your coordinate

I hope that this helped you!

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One of the digits of a two digit number is three times the other digit. If you interchange the digits of this two digit number a
STatiana [176]

Answer:

62

Step-by-step explanation:

well, we start by expressing the number:

a b

we understand that using the above expression, the value of the number is 10a + b

using the information in the question,

a = 3b (1)

and,

11b + 11a = 88 (2) (derived using 10a + b form)

hence, when substituting (1) into (2):

11b + 33b = 88

44b = 88

b = 2 (3)

sub (3) into (1)

a = 6

hence, the number is 62

3 0
3 years ago
What is the number of rolls of paper used per wall
Black_prince [1.1K]
Sizes? Of the wall and paper?
5 0
3 years ago
Im confused guys, i just dont get it
Anarel [89]
Its B (second option)
7 0
3 years ago
Somebody please help meee!!!!
Otrada [13]

Answer:

Volume of the pyramid is 448 cubic meters.

Step-by-step explanation:

Volume of the given pyramid = \frac{1}{3}(\text{Area of the rectangular base})(\text{Height of the pyramid})

Area of the rectangular base = Length × Width

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Volume of the pyramid = \frac{1}{3}(192)(7)

                                      = 448 m³

Therefore, the volume is 448 cubic meters.

8 0
3 years ago
2 points Jason's friend George jumped off a cliff into the ocean in Acapulco while vacationing with some friends. His height as
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we need to substitute t=5

h(5)=16(5^2)+16(5)+480h(5)=16(25^{})+16(5)+480h(5)=400+80+480=960

The George's height after 5 seconds was 960

3 0
1 year ago
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