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4 years ago

-15+23x – 10x² + 12x4 What is the degree

Mathematics

2 answers:

oksian1 [2.3K]4 years ago

7 0

Answer:

- 3x + 1

Step-by-step explanation:

Romashka [77]4 years ago

6 0

Answer:

the degree is 4

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a metal rod is 4/5 meters long. it will be cut into pieces that are 1/20 meters long. how many pieces will be made from the rod

marin [14]

16 rods can be made.

common denominators. 4/5=16/20.

16/20 divided by 1/20 is 16. 16 rods

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What is the volume of a sphere with a diameter of 12 cm

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905 is the answer hope it helps

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3 years ago

Help with this math picture :) worth 8 points

ipn [44]

Solving for x...
$\frac{1}{2} x+ \frac{1}{4} = \frac{15}{16} 
$

Times the $\frac{1}{2}$ , both the numerator and denominator, by 8 to get the denominator to 16.
Times the $\frac{1}{4}$ , both the numerator and denominator, by 4 to get the denominator to 16.

Then rewrite the problem,
$\frac{8}{16}x+ \frac{4}{16} = \frac{15}{16}$

now that the denominators are all the same, you can solve...
subtract the $\frac{4}{16}$ from both sides

you should get $\frac{8}{16} x = \frac{11}{16}$

Multiply both sides by 16 (it'll cancel both the 16 out making it go away)
8x = 11

divide each side by 8 to have the x alone

8x = 11
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 You should end with x = $\frac{11}{8}$ or 1.375

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3 years ago

Amira has 3/4 of a bag of cat food .Her cat eats 1/10 of a bag per week . How many weeks will the food last ?

const2013 [10]

namely how many times does 1/10 go into 3/4?

$\bf \cfrac{3}{4}\div \cfrac{1}{10}\implies \cfrac{3}{4}\cdot \cfrac{10}{1}\implies \cfrac{3}{1}\cdot \cfrac{10}{4}\implies \cfrac{3}{1}\cdot \cfrac{5}{2}\implies \cfrac{15}{2}\implies 7\frac{1}{2}$

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3 years ago

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Please help! I need this quickly

Lera25 [3.4K]

Answer:

x + 3y = 30

Step-by-step explanation:

We are given that a line contains the points (12,6) and (-3,11).

We want to write the equation of this line in standard form.

Standard form is written as ax+by=c, where a, b, and c are free integer coefficients, however a and b cannot be 0, and a cannot be negative.

Regardless, before we write an equation in slope-intercept form, we must first write the equation in a different form, such as slope-intercept form.

Slope-intercept form is given as y=mx+b, where m is the slope and b is the value of y at the y-intercept.

So first, let's find the slope of the line.
The slope (m) can be found using the formula $\frac{y_2-y_1}{x_2-x_1}$ , where $(x_1, y_1)$ and $(x_2, y_2)$ are points.