MATHEMATICS MIDDLE SCHOOL

What’s the correct answer
What’s the correct answer - 1

Answers

Answer 1
Answer:

Answer:

ill say C because its a greater and the greatest  chance

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Write each number in standard form 8,000,000+300+9

Answers

eight million plus three hundred plus nine
Eight million plus three hundred plus nine

As the train’s engineer, Erin guided the train on a 64 mi run, which took 1.7 h. She then stopped on a side rail to let a second train pass. She then continued another 80 mi, which took 1.9 h.What was the train’s average speed for the entire run?

Answers

(144 miles)/(3.6 hours)= 40 (m)/(h)Let's calculate how many miles the train has passed in total:
64+80=144 miles

let's also calculate the complete time: (we can ignore the waiting time here, since they also didn't move during this time:

1.7h+1.9h=3.6 hours.

And now we only need to divide the distance per time:

So the correct answer is 40 miles per hour!

Start with the equation 4·0=0to explain why 4·−10
must equal −40
. Drag descriptions and equations to the table to complete the explanation.

Answers

Step 1 Given. The problem is telling us to start with the equation 4·0=0

Step 2 Substitute. Any number plus its opposite is zero. Since the opposite of 10 is -10, 10+(-10)= 0:  4(10+-10)=0

Step 3 Use the distributive property. In other words multiply 4 by 10 and 4 by -10: 4·10+4·-10=0

Step 4 Multiply. perform the first multiplication of step 3: 4·10=40, so: 40+4·-10=0

Step 5 Subtract 40 from both sides. 40-40+4·-10=0-40; simplify the left side: 0+4·-10=0-40 
4·-10=0-40

Step 5 Simplify to solve for 4·-10. Simplify the right side: 4·-10=-40

We can conclude that you should fill your table as follows:
Step 1 Given.  4·0=0
Step 2 Substitute. Any number plus its opposite is zero.   4(10+-10)=0
Step 3 Use the distributive property.    4·10+4·-10=0
Step 4 Multiply. 40+4·-10=0
Step 5 Subtract 40 from both sides.    4·-10=0-40
Step 5 Simplify to solve for 4·-10.        4·-10=-40

Answer:

Step 1 Given.  4·0=0

Step 2 Substitute. Any number plus its opposite is zero.   4(10+-10)=0

Step 3 Use the distributive property.    4·10+4·-10=0

Step 4 Multiply. 40+4·-10=0

Step 5 Subtract 40 from both sides.    4·-10=0-40

Step 5 Simplify to solve for 4·-10.        4·-10=-40

The length of two sides of a triangle are 14 inches and 4 inches. Which of the following dimensions is the third side of this triangle

Answers

The length of the two sides of a triangle is 14 inches and 4 inches.

We have given that,

The length of the two sides of a triangle is 14 inches and 4 inches.

We have to determine the which of following dimensions is the third side of this triangle.

What is the triangle?

A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. A triangle with vertices A, B, and C is denoted \triangle ABC. In Euclidean geometry, any three points, when non-collinear, determine a unique triangle and simultaneously, a unique plane

The answer would be 11 believe.  

The length of the two sides of a triangle is 14 inches and 4 inches is 11.

To learn more about the triangle visit:

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The length oftwo sides of a triangle are 14 inches and 4 inches. The answer would be 11 i believe.  

The function f(t)=t^2+12t-18 represents a parabola. Part A: Rewrite the function in vertex form by completing the square. Show your work. Part B:Determine the vertex and indicate whether its a maximum or minimum on the graph. How do you know? Part C: Determine the axis of Symmetry

Answers

The function in vertex form is f(t) = (t+6)^(2) -54 (refer to your other post I solved it there).
The general form of quadratic equations in vertex form is f(x) = a(x-h)^(2) +k, where (h, k) is the vertex of the parabola.
Here, a = 1, h = -6 and k = -54
Therefore, the vertex is (-6, -54) and it is a maximum because a = 1 is postive.

Cedric's basketball team scored fewer than 78 points in their last game. Which of the following inequalities represents the number of points Cedric's basketball team scored in their last game?

Answers

It would be the number from the new game  with the fewer than sign than the number from the last game. So for example n>78
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