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disa [49]
3 years ago
13

[y = x + 4][3x -2y =-7] substitution

Mathematics
1 answer:
tia_tia [17]3 years ago
3 0

Answer:

x=15, y=19

Step-by-step explanation:

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I need help with this problem if anyone wants to help me please do
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Answer:

11

Step-by-step explanation:

hope this helps loves x

7 0
2 years ago
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Find the value to make the equation true<br><br> 1) ?/1 = 14/17
Serggg [28]

Answer:

14/17

Step-by-step explanation:

Find the value to make the equation true

1) ?/1 = 14/17

x : 1 = 14 : 17

x = 1 * 14 : 17

x = 14 : 17

x = 14/17

5 0
2 years ago
Simplify. <br><br><br><br> 12.6 • (–4) ÷ 12 • (–3) ÷ 0.5
Evgen [1.6K]
<span>12.6 • (–4) ÷ 12 • (–3) ÷ 0.5
= -50.4 </span>÷ 12 • (–3) ÷ 0.5
= -4.2• (–3) ÷ 0.5
= 12.6 ÷ 0.5
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7 0
3 years ago
At a school, 40% of the sixth-grade students said that hip-hop is their favorite kind of music. If 100 sixth-grade students pref
Radda [10]

Answer:

We have 250 sixth-grade students are at the school

Step-by-step explanation:

Let the total number of sixth graders be represented as x

Therefore we solve the question nas shown below:

40% of x = 100 sixth grade students that prefer Hip -pop

= 40/100 × x = 100

= 40x /100 = 1000

Cross y

40x = 100 × 100

40x = 10000

x = 10000/40

x = 250 students

Hence, we have 250 sixth-grade students are at the school

3 0
3 years ago
Select the values of that are solutions to the inequality x^2+3x-4&gt;0
sergey [27]
Solution:x^2+3x-4=(x+4)(x-1)>0,
therefore, the x range is (-∞,-4)∪(1,+∞).
Answer:(-∞,-4)∪(1,+∞).[
4 0
3 years ago
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