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Which expression is equivalent to x + x - 0.18x

yarga [219]

Answer: It is C

Step-by-step explanation:

8 0

3 years ago

For a right triangle. one angle is 20°. what are the other two angles ?

Aleksandr [31]

Answer:

A triangle equals to 180. Given that it is a right triangle, one angle should be 90.

So, 90+20 = 110

180-110= 70

Therefore, the other two angles are 90 and 70.

3 0

3 years ago

Given the following exponential function, identify whether the change represents

Nookie1986 [14]

The percentage rate of increase is 36.2% and the exponential function represent the growth.

<h3>What is an exponential function?</h3>

It is defined as the function that rapidly increases and the value of the exponential function is always a positive. It denotes with exponent $\rm y = a^x$

where 'a' is a constant and a>1

We have exponential function:

$\rm y = 8900(1.362)^x$

If we compare with

$\rm y =a(1+r)^x$

If 1+r > 1

1.362 > 1

So the growth rate r is

1 + r = 1.362

r = 0.362

r = 0.362×100

r = 36.2%

Thus, the percentage rate of increase is 36.2% and the exponential function represent the growth.

Learn more about the exponential function here:

brainly.com/question/11487261

#SPJ1

4 0

2 years ago

The price of a pair of shoes increases from $52 to $80. What is the percent increase to the nearest percent?

Ivenika [448]

Step-by-step explanation:

Price increase = $80 - $52 = $28.

Percentage increase = ($28/$52) * 100%

= 53.8% = 54%. (nearest percent)

4 0

3 years ago

Read 2 more answers

Solve triangle ABC given that A = 56°, B = 57°, and b = 9.00. Round the length of the sides to the nearest hundredth

daser333 [38]

Answer:

Part 1) $C=67^o$

Part 2) $a=8.90\ units$

Part 3) $c=9.88\ units$

Step-by-step explanation:

step 1

Find the measure of angle C

Remember that the sum of the interior angles of any triangle must be equal to 180 degrees

so

$A+B+C=180^o$

substitute the given values

$56^o+57^o+C=180^o$

$C=180^o-113^o=67^o$

step 2

Find the length side a

Applying the law of sines

$\frac{a}{sin(A)}=\frac{b}{sin(B)}$

substitute the given values

$\frac{a}{sin(56^o)}=\frac{9.00}{sin(57^o)}$

solve for a

$a=\frac{9.00}{sin(57^o)}sin(56^o)$

$a=8.90\ units$

step 3

Find the length side c

Applying the law of sines

$\frac{c}{sin(C)}=\frac{b}{sin(B)}$

substitute the given values

$\frac{c}{sin(67^o)}=\frac{9.00}{sin(57^o)}$

solve for c

$c=\frac{9.00}{sin(57^o)}sin(67^o)$

$c=9.88\ units$

3 0

4 years ago

Hi, I need to send you a screenshot​

Hi, I need to send you a screenshot