3 years ago

Kayla has a piece of blue ribbon that is 18.35 inches long and a piece of

Mathematics

1 answer:

tankabanditka [31]3 years ago

3 0

Answer:

1.85

Step-by-step explanation:

20.2-18.35=1.85

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(−t 4 −5t 3 −10t 2 )+(9t 3 +3t 2 −1)

klemol [59]

Answer:

$\left(-t^4-5t^3-10t^2\right)+\left(9t^3+3t^2-1\right)=-t^4+4t^3-7t^2-1$

Step-by-step explanation:

Given the expression

$\left(-t^4\:-5t^3\:-10t^2\:\right)+\left(9t^3\:+3t^2\:-1\right)$

Remove parentheses: (a)=a

$=-t^4-5t^3-10t^2+9t^3+3t^2-1$

Group like terms

$=-t^4-5t^3+9t^3-10t^2+3t^2-1$

Add similar elements

$=-t^4-5t^3+9t^3-7t^2-1$ ∵ $-10t^2+3t^2=-7t^2$

Add similar elements

$=-t^4+4t^3-7t^2-1$ ∵ $-5t^3+9t^3=4t^3$

Thus, the equivalent expression in simplified form:

$\left(-t^4-5t^3-10t^2\right)+\left(9t^3+3t^2-1\right)=-t^4+4t^3-7t^2-1$

4 0

3 years ago

Solve for h<br> Give an exact answer.<br> 3h=7( 2/7− 3/7 h)−10

romanna [79]

Its -4/3
Thank You.
Pls mark Brainliest!

6 0

3 years ago

2/5x3/4 show your work if you get it right i will give u braniset. if u do for frre points i willl delete it

maw [93]

2x3
—— = 6/20 = 3/10
5x4

3 0

3 years ago

Read 2 more answers

Find the constant of proportionality for b) y=2x

natima [27]

Answer:

The constant of proportionality is 2.

Step-by-step explanation:

In an equation for which we are looking for the constant of proportionality, we use the base form below.

y = kx

In which k is the constant of proportionality. If we use the equation given

y = 2x

We can see k = 2

8 0

3 years ago

⚠️⚠️⚠️⚠️HELP ME PLLEEAASEE⚠️⚠️⚠️⚠️⚠️

shusha [124]

Answer:

240 feet

Step-by-step explanation:

i multiplied 6

inches and 40 feet.

3 0

2 years ago