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Tema [17]
3 years ago
13

Select all the ordered pairs that make this statement true?

Mathematics
1 answer:
Ierofanga [76]3 years ago
5 0

Answer: (24,-9)

(0,9)

(4,6)

Step-by-step explanation:

3x + 4y = 36

Using (3,-2) will be:

= 3(3) + 4(-2)

= 9 - 8 = 1

Using (1,7) will be

= 3(1) + 4(7)

= 3 + 28 = 31

Using (0,0) equals to 0

Using (24,-9) will be:

= 3(24) +4( -9)

= 72 - 36 = 36

Using (0,9) will be:

= 3(0) + 4(9)

= 0 + 36 = 36

Using (4,6) will be:

3(4) + 4(6)

= 12 + 24

= 36

Using (-12,18) will be:

= 3(-12) + 4(-18)

= -36 - 72

= -108

The correct options are (24,-9), (0,9 and (4,6)

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Paula and her dad went ice-fishing this winter. They caught 7 total fish, including 5 trout.
sammy [17]

Answer:

.7143

Step-by-step explanation:

there are 5 trouts so 5/7

7 0
3 years ago
17. A bag contains 2x yellow counters, 4x + 6 red counters and 6x - 10 blue counters. a. Write an expression, in terms of x, for
Natalija [7]

Answer: 12x-4, 14 counters, 8 more counters

Step-by-step explanation:  There are 2x yellow, 4x+6 red, and 6x-10 blue counters. We need to add all of this up to get the total number of counters. We first add the x's : 2x+4x+6x = 12x. Then we add the numbers. 6+ (-10) is -4. So, our expression is 12x-4. Next, we need to find out how many blue counters are in the bag. We know that there are 44 total counters and we need to find x because all the counters have x in them. 12x-4 = 44. We first add 4 to both sides to get 12x= 48 and x = 4. blue has 6x-10 counters so, blue has 24-10 = 14 counters. Red has 16+6 = 22 counters. 22-14 = 8 more counters

7 0
2 years ago
PLEASE SOMEONE HELP
Yanka [14]
Infinity Many Solutions


- Harvard university professor
5 0
3 years ago
there are seven people and Luisa's family they have four loaves of cinnamon bread to share equally Luisa wants to know how much
makvit [3.9K]

Answer:

\frac{4}{7} of a loave of bread per person

Step-by-step explanation:

<u>Step 1:  Convert words to expressions </u>

Seven people in Luisa's Family = <em>7 people </em>

Four loaves of cinnamon bread = <em>4 loaves </em>

<u>Step 2:  Divide people from loaves </u>

4 loaves / 7 people  <-  This means they are splitting 4 loaves of bread between 7 people

\frac{4}{7} of a loave of bread per person

Answer:  \frac{4}{7} of a loave of bread per person

7 0
3 years ago
Which equation is the inverse of 2(x-2)squared=8(7+y)
dsp73

Answer:

f^{-1}(x)=2(+/-)2\sqrt{(7+x)}

Step-by-step explanation:

we have

2(x-2)^{2}=8(7+y)

step 1

Exchange x for y and y for x

2(y-2)^{2}=8(7+x)

step 2

isolate the variable y

(y-2)^{2}=4(7+x)

take the square root both sides

y-2=(+/-)\sqrt{4(7+x)}

y=2(+/-)\sqrt{4(7+x)}

step 3

Let

f^{-1}(x)=y

f^{-1}(x)=2(+/-)\sqrt{4(7+x)}

f^{-1}(x)=2(+/-)2\sqrt{(7+x)}  ----> equation of the inverse

5 0
3 years ago
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