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2 years ago

A napkin has an area of 5 square inch. what is the side length of the napkin

1 answer:

4 0

To find the width, multiply the length that you have been given by 2, and subtract the result from the perimeter. You now have the total length for the remaining 2 sides. This number divided by 2 is the width.

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It cost Evan $17.70 to send 177 text messages. How many text messages did he send if he spent $19.10?

rusak2 [61]

Answer:

191

Step-by-step explanation:

The amount spent for a single text: 177/17,7=0,1

x×0,1=19,1

x=19,1/0,1

x=191

6 0

2 years ago

What is the slope and y-intercept of this line?

garik1379 [7]

Answer:

I'm not sure but i thinks it's

Slope = -1/2

Y intercept = 7

8 0

2 years ago

Read 2 more answers

How do you solve 2i and 2ii

natta225 [31]

Answer:

15 and 21

Step-by-step explanation:

Given the n th term formula

T = 2n + 5

To find the 5 th and 8 th terms substitute n = 5 and n = 8 into the formula

$T_{5}$ = (2 × 5) + 5 = 10 + 5 = 15

$T_{8}$ = (2 × 8) + 5 = 16 + 5 = 21

5 0

3 years ago

Read 2 more answers

Umm I kinda need help pls

Darya [45]

Answer:

what help would i do

Step-by-step explanation:

6 0

2 years ago

Find the solution r(t)r(t) of the differential equation with the given initial condition: r′(t)=⟨sin4t,sin7t,9t⟩,r(0)=⟨9,8,3⟩

Makovka662 [10]

$\mathbf r'(t)=\langle\sin4t,\sin7t,9t\rangle$
$\implies\mathbf r(t)=\displaystyle\int\mathbf r'(t)\,\mathrm dt$
$\mathbf r(t)=\displaystyle\left\langle\int\sin4t\,\mathrm dt,\int\sin7t\,\mathrm dt,\int9t\,\mathrm dt\right\rangle$
$\mathbf r(t)=\left\langle-\dfrac14\cos4t+C_1,-\dfrac17\cos7t+C_2,-\dfrac92t^2+C_3\right\rangle$

With $\mathbf r(0)=\langle9,8,3\rangle$ , we have

$\langle9,8,3\rangle=\left\langle-\dfrac14+C_1,-\dfrac17+C_2,C_3\right\rangle$
$\implies C_1=\dfrac{37}4,C_2=\dfrac{57}7,C_3=8$
$\implies\mathbf r(t)=\left\langle-\dfrac14\cos4t+\dfrac{37}4,-\dfrac17\cos7t+\dfrac{57}7,-\dfrac92t^2+8\right\rangle$

6 0

3 years ago