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LUCKY_DIMON [66]
3 years ago
6

Need help with this question!

Mathematics
1 answer:
laiz [17]3 years ago
7 0

Answer:

w<= -5

Step-by-step explanation:

w <= -5

If w = -5 ; -5 + 4 = -1 = -1

If w= -6 ; -6 + 4 = -2 < -1

You might be interested in
the sum of three times one number, x, and five times a second number,y, is 77. if the sum of the two numbers is 19, find the two
HACTEHA [7]

Answer:

x=9, y=10. (9, 10). The two numbers are 9 and 10.

Step-by-step explanation:

3x+5y=77

x+y=19

------------------

3x+5y=77

-3(x+y)=-3(19)

---------------------

3x+5y=77

-3x-3y=-57

-------------------

2y=20

y=20/2

y=10

x+10=19

x=19-10

x=9

5 0
3 years ago
Substitution method need help for home work
Marizza181 [45]
-3y = x...so we sub in -3y for x in the other equation

-x + 7y = 70
-(-3y) + 7y = 70
3y + 7y = 70
10y = 70
y = 70/10
y = 7

so we sub in 7 for y in either of the original equations to find x
-3y = x
-3(7) = x
-21 = x

so ur solution is (-21,7)
6 0
3 years ago
Please help! My max is 17 points that how much they gave me!!
Firdavs [7]
The answer is 29. If you put it in an equation, it looks like 90=(x*3)+3. If you -3 from each side, you get 87=x*3. Divide each side by 3, and you get x=29.
6 0
3 years ago
Which number would be an element of the set of integers but not an element of the set of whole numbers,0, -3, 5, -1/2?
iren [92.7K]
Integers are negative or positive whole numbers
whole numbers do not include negatives

so ur answer is -3...it is considered an integer, but not a whole number
8 0
3 years ago
Rani takes a 40-question test. She answers 5% of the questions incorrectly
Feliz [49]

Answer:

2 Questions.

Step-by-step explanation:

To calculate a how much a percentage is of a number, you multiply the number by the percent.

So, we have the equation:

40 x 0.05 = 2

So, Rani got 2 questions incorrect.

Hope this helps!

5 0
2 years ago
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