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3 years ago

I need help what is 6+(-7)

Mathematics

2 answers:

natita [175]3 years ago

8 0

Answer:

-1

because you are adding up to 0 to get back to the positive.

Bond [772]3 years ago

7 0

Answer:

Step-by-step explanation:

6+(-7)

Hope that helps

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A phone company offers two monthly plans. Plan A costs $ 20 plus an additional $0.12 for each minute of calls. Plan B costs $13

Shalnov [3]

Let:

• y, be the cost of the plan

• x, be the minutes spend on call

This way, we'll have:

Plan A:

$y=0.12x+20$

Plan B:

$y=0.17x+13$

If the two plans cost the same, we'll have that:

$0.12x+20=0.17x+13$

Solving for x :

$\begin{gathered} 20-13=0.17x-0.12x \\ \rightarrow7=0.05x \\ \rightarrow\frac{7}{0.05}=x \\ \\ \Rightarrow x=140 \end{gathered}$

A) The two plans will cost the same for 140 minutes on call

The cost will be:

$\begin{gathered} y=0.12(140)+20 \\ \Rightarrow y=36.8 \end{gathered}$

B) $36.80

3 0

2 years ago

3.3.3.3.3^2 <br> Write the expression as a single power

Nimfa-mama [501]

Answer:

I think

Step-by-step explanation:

I think its 3 ^7 but i could be wronf

8 0

3 years ago

. Mrs. Nunn pours 3 juice boxes into a bowl to make punch. Each juice box holds 236 milliliters. How much juice does Mrs. Goldst

Novay_Z [31]

Answer:

708 milliliters

Step-by-step explanation:

There are 3 juice boxes and each contain 236 milliliters of juice. So 236 + 236 + 236 = 708

7 0

3 years ago

I WILL GIVE BRAINLIEST!!!!!!!!!!!!!)there are 56 tulips in a flowerbed. the ratio of tulips to daffodils is 3:5. how many tulips

Amiraneli [1.4K]

Answer:

tulips= 56

and daffodils= 93

Step-by-step explanation:

Step one:

given data

number of tulips = 56

ratio of tulips to daffodiis= 3:5

total ratio= 3+5= 8

Step two:

Required

The number pf daffodiis

let us apply the part to all aproach

the total flowers can be found bellow

let the total be x

3/8=56/x

cross multiply

3x=56*8

3x=448

divide both sides by 3

x=448/3

x=149.3

=149 approx.

The total flowers is 149

the number of daffodils is =149-56=93

tulips= 56

and daffodils= 93

5 0

3 years ago

Read 2 more answers

In Exercise, find the derivative of the function. <br> Y = 24e-1.4t

raketka [301]

Answer:

$y'=33.6e^{-1.4t}$

Step-by-step explanation:

$y = 24e^{-1.4t}$

take derivative with respect to t

$\frac{dy}{dt} =24 \frac{d(e^{-1.4t})}{dt}$

derivative of e^t is e^t

derivative of -1.4t is -1.4

$\frac{dy}{dt} =24 \frac{d(e^{-1.4t})}{dt}$

Apply chain rule

$\frac{dy}{dt} =24(e^{-1.4t})(-1.4)$

$y'=33.6e^{-1.4t}$

4 0

3 years ago