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3 years ago

I need some help here I will be giving away 20 pts for answers (ignore #6 My attempts at answering it)

Mathematics

1 answer:

Dominik [7]3 years ago

6 0

Yea I kinda need it more clear ....

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Solve each equation with the quadratic formula

sp2606 [1]

First step, list your A,B,C’s.
A=5
B=-9
C=-116

The quadratic formula is:
y= -b +/- the square root of b^2-4(a)(c)
———————————————————-
2a

^ all of that is divided by 2(a)

now you wanna fill in your a,b,c’s.

(im gonna use sr to shorten (s)quare (r)oot)

y= -(5)

7 0

3 years ago

If 5x+15=45 what is the value of x

icang [17]

Answer:

X=6

Step-by-step explanation:

5x6=30+15

5 0

4 years ago

Read 2 more answers

Solve using distributive property. (3x2-2x+7)(x2+2x) Thank you!

geniusboy [140]

Answer:

$3x^4+4x^3+3x^2+14x$

Step-by-step explanation:

$(3x^2-2x+7)(x^2+2x)$

$3x^4+6x^3-2x^3-4x^2+7x^2+14x$

$=3x^4+4x^3+3x^2+14x$

6 0

4 years ago

Read 2 more answers

During the trip, the Morales family drove on several different highways. Gabriela and Luis noticed that sometimes the mile marke

Elenna [48]

Answer:

The slope of the line is 77

Explanation:

We know the speed is constant and that the mile-marker location over time can be represented by a line. This means that the equation is linear.

The slope can, therefore, be calculated as follows:

$slope = \frac{y_2-y_1}{x_2-x_1}$

where (x₁ , y₁) and (x₂ , y₂) are two points on the line

We are given that the two points (1, 123) and (3, 277) are two points in the line

Substitute with them in the above equation to get the slope as follows:

$slope = \frac{277-123}{3-2}=77$

Hope this helps :)

3 0

3 years ago

Two different ways to find the value of the expression 5.4×1.17×100 that would not require you to first multiply 5.4 times 1.17

scZoUnD [109]

We may create these expressions by utilizing parentheses. According to the order of operations, parentheses are evaluated before any other term. Therefore, the two expressions become:

5.4 x (1.17 x 100)

and

1.17 x (5.4 x 100)

8 0

3 years ago