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3 years ago

What is this trying to bring my grades up pls help

Mathematics

1 answer:

andrew-mc [135]3 years ago

3 0

Answer:

Answer down below!

Step-by-step explanation:

The origin is the middle of the plot, which is represented by the coordinates (0,0)

So, yoy would click on the middle where it says 0.

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Hello, help me please)

AlladinOne [14]

Answer:

Given equation:

$10^{5x-2}=2^{8x-3}$

Take natural logs of both sides:

$\implies \ln 10^{5x-2}= \ln 2^{8x-3}$

$\textsf{Apply log Power law}: \quad \ln_ax^n=n\ln_ax$

$\implies (5x-2)\ln 10=(8x-3) \ln 2$

Expand brackets:

$\implies 5x\ln 10 - 2\ln 10=8x \ln 2 -3 \ln 2$

Collect like terms:

$\implies 5x\ln 10 - 8x \ln 2 =2\ln 10-3 \ln 2$

Factor left sides:

$\implies x(5\ln 10 - 8 \ln 2) =2\ln 10-3 \ln 2$

$\textsf{Apply log Power law}: \quad \ln_ax^n=n\ln_ax$

$\implies x(\ln 10^5 - \ln 2^8) =\ln 10^2- \ln 2^3$

$\textsf{Apply log Quotient law}: \quad \ln_a\frac{x}{y}=\ln_ax - \ln_ay$

$\implies x\left(\ln\left(\dfrac{10^5}{2^8}\right)\right) =\ln\left(\dfrac{10^2}{2^3}\right)$

Simplify:

$\implies x\left(\ln\left(\dfrac{3125}{8}\right)\right) =\ln\left(\dfrac{25}{2}\right)$

$\implies x=\dfrac{\ln\left(\dfrac{25}{2}\right)}{\ln\left(\dfrac{3125}{8}\right)}$

$\implies x=0.4232297737...$

6 0

2 years ago

1/4 of Mai’s height is equal to 2/5 of Jon’s height. Find the ratio of Mai’s height to Jon’s height.

nasty-shy [4]

1/4th of Mai’s height is equal to 2/5th of Jon’s height

Let 'x' represent Mai's height and 'y' represent Jon's height.

Therefore, 1/4th of "x" should be equal to 2/5th of "y". This gives us the following equation :

(1/4)x = (2/5)y

multiply both sides by 4/y

x/y = 4*(2/5)

x/y = 8/5

x:y = 8:5

The ratio of Mai's s height to Jon's height is 8 to 5

3 0

3 years ago

The product of ten and a number

Dvinal [7]

Answer:

10n

Step-by-step explanation:

n represents number, its like using X, since we don't have the information on it, we replace it with a letter.

5 0

3 years ago

Read 2 more answers

the cozy cat shop has 3 calico cats for every gray cat. If they have nine calico cats available, how vany gray cats do they have

Cerrena [4.2K]

Set up as for portion with X as unknown number of gray cats. So 1/3=x/9. Cross multiply. 3X=9. Divide both sides by 3. X=3.

3 0

3 years ago

fred's auto sales purchases 3 new vehicles for $11,219, $31,611, and $18,204. what was the total cost for all the vehicles?

Anarel [89]

Add them all together = $61034

8 0

3 years ago