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2 years ago

Can anyone please tell me how to do this

Mathematics

2 answers:

andrew11 [14]2 years ago

5 0

Hello there, this problem is just basic addition, here is what it would look like

$52.31+25.90$

Solve it and we get 78.21

bulgar [2K]2 years ago

3 0

Amount earned on Saturday = $ 52.31

Amount earned on Sunday = $ 25.90

Total amount earned

= $ 52.31 + $ 25.90

= $ 78.21

Therefore, Tara earned $ 78.21 in total. Hope this helps.

Have a nice day.

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David & Dan share a lottery win of £9900 in the ratio 3 : 2.

Zepler [3.9K]

Answer:

sum of ratio =3+2=5

David'share=£9900x3/5=£5940

Sum of ratio for part= 4+4+2=10

for himself=£5940x4/10=£2376

for wife=£5940x4/10=£2376

for son=£5940x2/10=£1188

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7 0

3 years ago

Read 2 more answers

Initial value problems dy/dx+2y=3. Y(0)=1

Pavel [41]

The initial value equation is $y = \frac 12(3 - e^{-2x})$

<h3>How to solve the initial value?</h3>

The equation is given as:

$\frac{dy}{dx} +2y = 3$

Where

Y(0) = 1

Subtract 2y from both sides in the equation

$\frac{dy}{dx} = -2y + 3$

Rewrite as:

$\frac{dy}{-2y + 3} = dx$

Integrate both sides of the equation

$-\frac 12\ln|-2y + 3| = x + C_o$

Multiply through by -2

$\ln|-2y + 3| = -2x + C_1$

Take the exponent of both sides

$-2y + 3 = Ce^{-2x$

Next, we solve for C under the initial condition Y(0) = 1.

This gives

$-2(1) + 3 = Ce^{-2 * 0$

Evaluate

-2 + 3 = C

Solve for C

C = 1

Substitute C = 1 in $-2y + 3 = Ce^{-2x$

$-2y + 3 = e^{-2x$

Next, we solve for y

$y = \frac 12(3 - e^{-2x})$

Hence, the initial value equation is $y = \frac 12(3 - e^{-2x})$

Read more about initial value at:

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2 years ago

Carrie sent 190 total text messages in the first

ratelena [41]

190 / 5 = 38
38 * 31 = 1178
1178 * 4 = 4712
= $47.12

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3 years ago

A ball is dropped from the top of a 83-m-high building. What speed does the ball have in falling 3.6 s?

GalinKa [24]

Answer:

23.05

Step-by-step explanation:

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3 years ago

math su.cks.....................................................................................................................

kaheart [24]

Answer:

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Can anyone please tell me how to do this​

Can anyone please tell me how to do this