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4 years ago

Which phrase describes another way to write the expression?

Mathematics

2 answers:

zhuklara [117]4 years ago

4 0

0.75r+0.75(3.20)=0.75(r+3.20)

So the answer is A. The product of 0.75 with the sum of r and 3.20

rosijanka [135]4 years ago

3 0

A would be your answer

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In a right angled triangle, the acute angles are in the ratio 4:5. Find the angles of the triangle in degree and radian....

Nostrana [21]

$\huge\fbox{Answer ☘}$

since we've a right angled triangle

therefore , one angle of the triangle is 90°

applying Angle Sum Property of triangle which states that the sum of all the angles of a triangle is equal to 180° , we get

$4x + 5x + 90° = 180° \\\\ 9x + 90° = 180° \\\\ 9x = 180° - 90° \\\\ 9x = 90° \\\\ x = \frac{\cancel{90}}{\cancel{9}} = 10°$

therefore , the angles are

<h3>( In degree measure )</h3>

$\bold\blue{4x = 4 ( 10 ) = 40°}\\\bold\blue{5x = 5 ( 10 ) = 50°}$

<h3>( In radians )</h3>

$40 \: in \: radians = \frac{\pi}{18\cancel{0}} \times 4\cancel{0} \\ \bold\blue{ = > \frac{4\pi}{18} \: radians}$

$50 \: in \: radians = \frac{\pi}{18\cancel{0}} \times 5\cancel{0} \\ \bold\blue{= > \frac{5\pi}{18} \: radians}$

hope helpful~

8 0

3 years ago

At a book sale,your sister uses an equal number of quarters and nickels to buy a $1.20 book. How many quarters and how many nick

REY [17]

Answer:4 quarters and 4 nickels

Step-by-step explanation:

6 0

3 years ago

Need help ASAP!!

Neporo4naja [7]

Answer:

A: 24,500
B: 11,800
C: 12,700

Step-by-step explanation:

Since the number of A seats equals the total of the rest of the seats, it is half the seats in the stadium: 49000/2 = 24,500.

The revenue from those seats is, ...

24,500×$30 = $735,000

so the revenue from B and C seats is ...

$1,246,800 -735,000 = $511,800

We can let "b" represent the number of B seats. Then there are 24500-b seats in the C section and the revenue from those two sections is ...

24b +18(24500-b) = 511800

6b = 70,800 . . . . . . . . . . . . . . . subtract 441000, collect terms

b = 70,800/6 = 11,800 . . . . . . . seats in B section

24,500 -11,800 = 12,700 . . . . . seats in C section

There are 24500 seats in Section A, 11800 seats in Section B, and 12700 seats in Section C.

3 0

3 years ago

Sweet T is making a double batch of cupcakes. He puts them in the oven at 6:50 that needs to bake for 25 minutes. When should sw

Serhud [2]

He should take out the cupcakes at 7:15! Hope this helps :D

8 0

3 years ago

GC - If the principal amount of money put into a bank is $2000 with a 3.5% rate compounded quarterly, what is the amount after 6

alisha [4.7K]

Given:

Principal amount = $2000

Rate of interest = 3.5% compounded quarterly.

Time = 6 years

To find:

The amount after 6 years.

Solution:

The formula for amount after compound interest is:

$A=P\left(1+\dfrac{r}{n}\right)^{nt}$

Where, P is principal, r is rate of interest in decimal, n is the number of time interest compounded in an year and t is the number of years.

The interest is compounded quarterly, so $n=4$ .

Substituting $P=2000,r=0.035,n=4,t=6$ , we get

$A=2000\left(1+\dfrac{0.035}{4}\right)^{4(6)}$

$A=2000\left(1+0.00875\right)^{24}$

$A=2000\left(1.00875\right)^{24}$

$A=2465.10340$

Approximate the value to the nearest hundredth.

$A\approx 2465.10$

The amount after 6 years us $2465.10. Therefore, the correct option is A.

4 0

3 years ago