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Korvikt [17]
3 years ago
11

Do 18 please ppl i need to get a good grade

Mathematics
1 answer:
Nataly [62]3 years ago
4 0
I believe the answer is 52.80 

Also 15 is, 7a + 18. Hope this helps :D

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In a school of 450 students, 48% are<br>girls. How many are girls?​
lana66690 [7]

Answer:

216

Step-by-step explanation:

.48 * 450 = 216

6 0
3 years ago
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Wewaii [24]

Answer:

Step-by-step explanation:

circumference = πd ≅ 250 ft

d ≅ 250/π ≅80 ft

3 0
3 years ago
Help please mathematics 22 -24
Pavel [41]

Answer:  (22) $9,075     (23) $656.25      (24) $217.13

<u>Step-by-step explanation:</u>

Cost Function: C(x) = 5.75x + 8,000

              C(10,000) = 5.75(10,000) + 8,000

                                = 57,500     + 8,000

                                = 65,500

Revenue Function: R(x) = 9.50x

                        R(7,850) = 9.50(7,850)

                                       =    74,575

Profit Function: P(x) = R(x) - C(x)

                                 = 74,575 - 65,500

                                 = 9,075

*****************************************************************************

Retail = Unit Cost + Unit Cost × Markup

         =     $375    +         $375 × .75

         =     $375    +           $281.25

         =     $656.25

*****************************************************************************

$225 but if paid within 10 days there is a 3.5% discount

Discount = $225 - $225 × .035

               =  $225 -     $7.88

               =  $217.13

8 0
3 years ago
¿cuanto suman los angulos interiores de un hexagono? Escribe solo el numero que corresponda a la cantidad, sin el simbolo de gra
Leno4ka [110]

Answer:

La suma de los ángulos interiores de un hexágono regular es 720°

Step-by-step explanation:

Asumamos que el hexágono presentado en el enunciado sea regular, el cual es formado por seis triángulos equiláteros, Un ángulo interno del hexágono está formado dos ángulos laterales y vecinos de dos triángulos equiláteros, es decir, dos veces 60°, o sea, 120°. Si el hexágono regular tiene seis ángulos internos de igual medida, entonces la suma de los ángulos interiores es 720°.

4 0
3 years ago
Which points are on the graph of g(x) = (1/5)x?
AlexFokin [52]

Given:

The function is

g(x)=(\dfrac{1}{5})^x

To find:

The correct ordered pairs.

Solution:

We have,

g(x)=(\dfrac{1}{5})^x

For x=3,

g(3)=(\dfrac{1}{5})^3

g(3)=\dfrac{1}{125}

So, the ordered pair is (3,\dfrac{1}{125}).

For x=-2,

g(-2)=(\dfrac{1}{5})^{-2}

g(-2)=(5)^2             [\because (\dfrac{a}{b})^{-n}=(\dfrac{b}{a})^n]

g(-2)=25

So, the ordered pair is (-2,25).

For x=1,

g(1)=(\dfrac{1}{5})^1

g(1)=\dfrac{1}{5}

So, the ordered pair is (1,\dfrac{1}{5}).

For x=-1,

g(-1)=(\dfrac{1}{5})^{-1}

g(-1)=(5)^1             [\because (\dfrac{a}{b})^{-n}=(\dfrac{b}{a})^n]

g(-1)=5

So, the ordered pair is (-1,5). This is the correct answer.

Therefore, the correct option is D.

5 0
3 years ago
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