2 years ago

Which situation can be represented by this equation?

Mathematics

1 answer:

xenn [34]2 years ago

4 0

This first one where Jeremy is already in 250miles. X is the amount of time.

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Find the sum: (3x2 + 5x − 8) + (5x2 − 13x − 5)

musickatia [10]

Answer:

$(3x^2+5x-8)+(5x^2-13x-5)=8x^2-8x-13$

Step-by-step explanation:

The given polynomials are,

$3x^2+5x-8,5x^2-13x-5$

In polynomial addition and subtraction only like terms can be added or subtracted.

So,

$=(3x^2+5x-8)+(5x^2-13x-5)$

$=3x^2+5x-8+5x^2-13x-5$

$=3x^2+5x^2+5x-13x-8-5$

$=8x^2-8x-13$

7 0

2 years ago

Read 2 more answers

8(1 + 5x) + 5 = -22 + 5x

docker41 [41]

Answer:

45x - 9

step by step explanation:

hope this helps!

6 0

2 years ago

Six rectangles each with a common base width of 22 have lengths of 1,4,9,16,251,4,9,16,25, and 3636. What is the sum of the area

Angelina_Jolie [31]

22(1 + 4 + 9 + 16 +251 + 4 + 9 + 16 + 25 + 3636)
= 87362 units^2

8 0

2 years ago

Andrew solved the following inequality, and his work is shown below:

Nataly_w [17]

It’s B. When dividing by -2, he did not change the direction of the sign

3 0

2 years ago

One pizza will feed 4 people. How many pizzas are needed for 8 people?

tatuchka [14]

Answer:

<h2>2 pizzas </h2>

Step-by-step explanation:

$1 \: pizza = 4\:people\\x \:pizzas = 8\:people\\\\Cross \:multiply\\\\4x =8\\\\Divide\:both\:sides\:of\:the\:equation\:by\:4\\\frac{4x}{4}=\frac{8}{4} \\\\x =2 \: pizzas$

3 0

3 years ago