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Sidana [21]
3 years ago
12

Simplify the expression: ( X + 5)( X-7)

Mathematics
2 answers:
Hitman42 [59]3 years ago
7 0
(x + 5)(x - 7)
x(x - 7) + 5(x - 7)
x(x) - x(7) + 5(x) - 5(7)
x² - 7x + 5x - 35
x² - 2x - 35
Igoryamba3 years ago
3 0
Answer is in the photo UwU

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Juan brought 4 Tshirts and leather jacket. The T shirts were all the same price, and the price of the leather jacket was 6 times
Alex

Let us say that:

x = the number of T shirts bought = 4

y = the number of leather jackets bought = 1

a = the price of the T shirts

b = the price of the leather jackets

 

With the given variables, we can say that the total cost is:

total cost = a x + b y

 

Since, b = 6 a, therefore:

total cost = a x + 6 a y

total cost = a (x + 6 y)

 

Since total cost is 209, therefore we can calculate for a since x and y are also given:

209 = a (4 + 6 * 1)

209 = a (10)

a = $20.9

 

<span>Therefore each T shirt cost $20.9</span>

7 0
3 years ago
A bag contains 10 red marbles, 8 blue marbles and 2 yellow marbles. Find the theoretical probability of getting a yellow marble.
Rzqust [24]
(number of yellow marbles) / (overall number of marbles)
=
2/20
7 0
2 years ago
Please help it’s geometry and it’s hard
zzz [600]

Measure of the angle m ∠ RQS = 58 ° for the given circle with arc RS subtending m ∠RPS=14 x + 46 ° at the center P and m ∠ RQS = 3 x + 43 ° at Q, on the circumference.

As given in the question,

Measure of the angle is given by :

m ∠ RPS=14 x + 46 °                                  

m ∠ RQS=3 x + 43 °                                      

m ∠ RPS = twice m ∠RQS (angle subtended at center of the circle)

14 x +46 =2(3 x + 43)

⇒ 14x + 46 = 6x +86

⇒ 14x-6x=86-46

⇒8x=40

⇒ x=5°

m ∠ RQS = (3 x + 43) °  

                 =[3(5) + 43 ]°

                 = 58°

Therefore, measure of the angle in the given circle m ∠RQS is equal to the  58 °

Learn more about angle here

brainly.com/question/28451077

#SPJ1

6 0
1 year ago
A &lt; 1.5 how would i graph that on a numberline? Graph the inequality.
Oliga [24]
Open circle with an arrow to the left of the number line with the circle on 1.5 in the middle of 1 and 2

7 0
3 years ago
SOMEONE HELP ME I GO CLASS IN 10 MINS!!
QveST [7]

Answer:

i think its mq

Step-by-step explanation:

3 0
3 years ago
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