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Sonja [21]
4 years ago
15

HELP: 2t+8≥-4(t+7) fill in blank: t ≥__?

Mathematics
1 answer:
vekshin14 years ago
3 0
<span>2t+8≥-4(t+7)
Use distributive property
2t+8</span>≥-4t-28
Subtract 2t from both sides
8≥-6t-28
Add 28 to both sides
36≥-6t
Divide -6 on both sides while flipping the inequality
Final Answer: -6<=t
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Distribute and combine like terms.<br> 7(4a+3b-6)-3(3a-2b+4)
andrew11 [14]

Answer:

19a+27b-54

Step-by-step explanation:

First distribute 7 into the first equation. (4a+3b-6) Multiply each coefficient and the constant by 7.

28a+21b-42

Then do the same for -3 and (3a-2b+4).

-9a+6b-12

Rewrite the equation 28a+21b-42-9a+6b-12.

Combine like terms: 19a+27b-54

5 0
4 years ago
Can someone please answer this question for me thanks ❤️
Luda [366]
\left \{ {{y=2} \atop {x=2}} \right.
5 0
3 years ago
Read 2 more answers
Expand and simplify (2x+5y) (x-3y)
Dmitry [639]
Should be simple:

Let's take this one at a time.

2x(x-3y)

You'd get:
2x^2-3xy
for the first one.

2nd one:
5y(x-3y)
you'd get:
+5xy-3y^2

Put them both together:
2x^2-3xy+5xy-3y^2

Combine like terms.

Your Answer:
2x^2+2xy-3y^2

3 0
3 years ago
I need your help, please!!!
bekas [8.4K]

Answer:

y=x+20

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Choose which lines are perpendicular. after doing the necessary work, circle your final answer.
Burka [1]
First, we determine the slope of the line given,                    y = 2x + 5
The equation is in slope-intercept where in the slope of the line is the numerical coefficient of x. The slope is therefore 2.
The equation of the new line becomes,
          y - 6 = 2(x - 4)
Simplifying,            y = 2x - 2
5 0
3 years ago
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