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BartSMP [9]
3 years ago
10

Need help ASAP! PLSS

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
6 0

Answer:

i think u add them

Step-by-step explanation:

9+ 7+16=32

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Solve for x. −6≥10−4x <br> x≤4 <br> x≥−4 <br> x≤−4 <br> x≥4
tia_tia [17]

Answer:

x≥4

Step-by-step explanation:

_6≥10+4x

group like terms

4x≥10+6

4x≥16

divide both side by 4

4x\4≥16\4

x≥4

5 0
3 years ago
Describe proportional relationships
irga5000 [103]

the constant of proportionality

Step-by-step explanation:

proportional relationships are relationships between two variables where there are ratios equivalent. another way to think about them is that in a proportional relationship that one variable is always constant value times the other that constant is known as the constant of proportionality

4 0
3 years ago
-4 + x / 2 = 3 urgent!
Zina [86]
     \frac{-4 + x}{2} = 3   Multiply both sides by 2
-4 + x = 6   Add 4 to both sides (to cancle out the -4)
       x = 10

4 0
2 years ago
A student has a 2% salt water solution and a 7% salt water solution. To best imitate salt water at a local beach, he needs 1 lit
FromTheMoon [43]

Let

x-------> the amount of 2\% solution

y--------> the amount of 7\% solution

we know that

2\%=0.02\\7\%=0.07\\3.5\%=0.035

so

x+y=1

y=1-x -------> equation A

0.02x+0.07y=0.035 -------> equation B

substitute equation A in equation B

0.02x+0.07(1-x)=0.035

0.02x+0.07-0.07x=0.035

0.05x=0.035

x=0.7\ liters

find the value of y

y=1-x

y=1-0.7=0.3\ liters

therefore

The student need 0.7\ liters of 2\% solution and 0.3\ liters of 7\% solution

<u>the answer is</u>

A) The percent values were written incorrectly in the equation

B) The amount of 7% solution should be written as 1 – x, not x – 1.

8 0
3 years ago
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Li Juan solves the equation below by first squaring both sides of the equation.
emmasim [6.3K]
-3w + 13
Happy New Year
8 0
3 years ago
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