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spayn [35]
3 years ago
15

Pls help me guys, I’d really appreciate it

Mathematics
1 answer:
trapecia [35]3 years ago
8 0

Answer:

∠ PQR = 70°

Step-by-step explanation:

The tangent- tangent angle PQR is half the difference of the intercepted arcs.

minor arc PR = 360° - 250° = 110°

Then

∠ PQR = \frac{1}{2} (250 - 110)° = \frac{1}{2} × 140° = 70°

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Solve the equation below for x. 100 = 25e3 In4 O A. 4 B. 3 e O C. X=In4 - 3 c In100 3. In25 O D.
Ray Of Light [21]

Dividing the given equation by 25 we get:

\begin{gathered} \frac{100}{25}=\frac{25e^{3x}}{25}, \\ 4=e^{3x}\text{.} \end{gathered}

Applying the natural logarithm to the above equation we get:

\ln (4)=\ln (e^{3x})=3x\ln (e)=3x\text{.}

Finally, solving for x we get:

x=\frac{\ln (4)}{3}\text{.}

Answer: Option A.

8 0
1 year ago
If you have the following equation; 4x - 4.5 = 10.73x + 5.7 + 7x, what would you multiply each term by to get rid of the decimal
posledela

Answer:

100

Step-by-step explanation:

You are given the equation

4x-4.5=10.73+5.7+7x

There are 5 coefficients:

4, \ -4.5,\ 10.73,\ 5.7,\ 7

Two of them are integers

4,\ 7

two of them are decimals with one digit after point

-4.5,\ 5.7

and one is a decimal with two digits after point

10.73

To get rid of fractions, we have to get rid of digits after point. The maximum number of digits after point is 2, then we have to multiply the equation by 100:

400x-450=1,073x+570+700x

8 0
3 years ago
DUE TOMORROW ANSWER USING STEPS: When Tyrese fell asleep one night, the temperature was
fomenos

Answer:

40°F

Step-by-step explanation:

When Tyrese fell asleep one night, the temperature was 24°F.

When Tyrese awoke the next morning, the

temperature was -16°F.

Letting + denote a rise in

temperature and - denote a drop in temperature, what was the change in temperature from the time Tyrese fell asleep until the time he awoke?

The temperature dropped from a high temperature to a low one : from 24° to -16°

This can be expressed mathematically as 24 - (-16), with - denoting a drop in the temperature

=24-(-16)

=24+16

=40°F

Please mark me brainliest

4 0
3 years ago
Read 2 more answers
Plz help ASAP WILL MARK BRAINLIST
dybincka [34]

Answer: B. The domain is {x|x<0 or x>0} and the range is {y|y>0}

Step-by-step explanation:

f(x)=x^-2

----------------------------

#1 Any negative (-) exponents means the answer will be 1/ the term

- for example, 3^-2=1/3^2=1/9

NOTE: NEGATIVE EXPONENTS DOES NOT MEAN IT IS A NEGATIVE NUMBER, IT IS STILL A POSITIVE NUMBER IF THE BASE IS POSITIVE.

-----------------------

The domain, which will be the value of x.

x can be any real number, except 0, because 0 can't go to negative exponents or else it will be undefined.

{x|x<0 or x>0}

-------------------------------------

The range, which will be the value of y.

Since the x value is being squared, it is always positive

{y|y>0}

7 0
3 years ago
Read 2 more answers
1#Find the balance on a deposit of $15,600 that earns 10% compounded semiannually for 3 years.
Eva8 [605]
#1 is a
#2 is a
#3 is d
7 0
3 years ago
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