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NNADVOKAT [17]
3 years ago
9

11

Mathematics
1 answer:
IgorLugansk [536]3 years ago
4 0

a. 60(h)+40=

b 60(3)+40=

180+40=$220

c. 400=60(h)+40=

  360=60(h) *divide 60 on each side*

   6=h, 6 hours

 

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I need help with eight and nine you are to multiply the binominaals using the horizontal format
lorasvet [3.4K]

Answer:

8. 15m^2-31m+10\\

9. x^2y^2z^2+2xyz-3

Step-by-step explanation:

(a+b)(c+d)=ac+ad+bc+bd\\(3m-5)(5m-2)=3m*5m+3m(-2)-5*5m(-2)\\=3m*5m+3m(-2)-5*5m(-2)\\=15m^2-31m+10

^#8^

(xyz+3)(xyz-1)=xyzxyz+xyz(-1)+3xyz+3(-1)\\=xyzxyz+xyz(-1)+3xyz+3(-1)\\=x^2y^2z^2+2xyz-3

^#9^

4 0
2 years ago
Triangular tortilla chips have interior angles labelled A, B, and C. The measure of interior angle A is 90∘.If the measure of in
vredina [299]
Angle B = 50°

90 + 50 + 40 = 180
6 0
3 years ago
HELP! Might have to zoom in
stealth61 [152]
To graph a line, first put the equation into slope-intercept form: y=mx+b. So what can we do with our equation, -3y=x-6, to get it into slope-intercept form? If we divide both sides of the equation by -3, we get y=-\dfrac{x}{3}+2. This gives us several pieces of information. Remember that the constant term, the one without a variable, tells us the y-coordinate of the y-intercept. The y-intercept is where the graph crosses the x-axis. So here, the constant term is 2; so the y-intercept is (0,2). That is one of the points. Now what does the slope represent? It is rise/run. Here it is -1/3. So from our y-intercept, (0,2), we can go down one unit and to the right 3 units. This new point is (3,1). From that point we can apply that again: go down 1 and right 3 units to get another point, (6,0).

6 0
3 years ago
NAME
swat32

Answer:

Option C - 2(-5)+2(3) ; -4

Step-by-step explanation:

Distributive property means breaking up the factors and multiplying them separately

So here we have 2(-5+3) = 2(-5)+2(3) = (-10)+(6) = (-4)

So (-4) is the value.

Hope this helps you.

5 0
3 years ago
3.
galben [10]

Answer:

no solution..........

8 0
3 years ago
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