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3 years ago

I need Helpppp quick!!!!

Mathematics

1 answer:

defon3 years ago

8 0

Answer:

Step-by-step explanation:

let his fixed price be x and his hourly fee be y;

270 = 4y + x

420 = 7y + x

x is common in both equations

equate the two;

x = 270-4y and x = 420-7y

270-4y = 420-7y

3y = 150

y = 50

x = 270-4*50

x = 70

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A square of side lengths 5 cm. find its diagonal length

kramer

Answer:

7.07107cm

Step-by-step explanation:

d= $\sqrt{2} a =\sqrt{2} (5) = 7.07107$

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2 years ago

Find the value of c that completes the square

PilotLPTM [1.2K]

Answer:

The value of c that completes the square $x^2+2x+c$ is 1

Step-by-step explanation:

We need to find the value of c that completes the square $x^2+2x+c$

The formula used will be: $a^2+2ab+b^2=(a+b)^2$

In the question given the value c can be found by breaking the middle term. we are given 2x while the general formula is 2ab for middle term so,

2(x)(1) = 2x

so, c= 1

Solving:

$x^2+2x+c\\=x^2+2(x)(1)+(1)^2-(1)^2\\=(x+1)^2-1$

So, the value of c that completes the square $x^2+2x+c$ is 1

6 0

2 years ago

8584848484984 x 17485

maw [93]

Answer how absurd

1.5010608e+17

8 0

2 years ago

Read 2 more answers

Assuming the population growth models continue to represent the growth of the forests, which forest will have a greater number o

Maksim231197 [3]

The given population models for the trees is given as:

$\begin{gathered} A(t)=115(1.025)^t \\ B(t)=82(1.029)^t \end{gathered}$

It is required to find which forest will have a greater number of trees after 20 years and by how many.

To do this substitute t=20 in the equations of the models:

$A(20)=115(1.025)^{20}\approx188$ $B(20)=82(1.029)^{20}\approx145$

Hence, forest A has a greater number of trees after 20 years.

Calculate the difference:

$188-145=43$

It follows that forest A has a greater number of trees than forest B by 43 trees.

After 20 years, forest A has a greater number of trees than forest B by 43 trees.

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7 months ago

Can you help with conversions

Tema [17]

Answer:

Please find pdf

Step-by-step explanation:

Download pdf

7 0

2 years ago