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Viefleur [7K]
3 years ago
14

How to evaluate the expression 10(6-5)-3(9-6)

Mathematics
2 answers:
EastWind [94]3 years ago
6 0
<span>10(6-5)-3(9-6) = 10 x 1 - 3 x 3 = 10 - 9 = 1</span>
Levart [38]3 years ago
3 0
You can do it two ways with PEMDAS or with Distributive property.
D property- 10x6=60 10x5=50 60-50=10 then 3x9=27 3x6=18 27-18=9
10-9=1
Pemdas- 6-5=1x10=10 9-6=3x3=9 10-9=1 either way your answer is
1 (one)
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Tickets to a concert cost $2 for children, $3 for teenagers and $5 for adults. When 570 people attended the concert, the total t
Ilia_Sergeevich [38]

Answer: 220

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

Children (x): $2

Teens (y): $3, \frac{3}{4}x

Adults: (z): $5

Quantity: x + y + z = 570  ⇒  x + \frac{3}{4}x + z = 570  ⇒ 1.75x + z = 570  

Cost: 2x + 3y + 5z = 1950  ⇒  2x + 3(\frac{3}{4}x) + 5z = 1950  ⇒  2x + 2.25x + 5z = 1950  ⇒  4.25x + 5z = 1950

Qty:    1.75x +  z =  570  →  5(1.75x +  z =  570)  →    8.75x + 5z = 2850

Cost: 4.25x + 5z = 1950 → -1(4.25x + 5z = 1950 → <u> -4.25x - 5z</u> = <u>-1950 </u>

                                                                                  4.50x        =   900

                                                                                          x       =    200

Teens (y): \frac{3}{4}x

           y = \frac{3}{4}(200)

             = \frac{600}{4}

             = 150

Quantity: x + y + z = 570  

              200 + 150 + z = 570

                     350     + z = 570

                                    z = 220


6 0
3 years ago
Is it a function and whats the domain and range<br> Picture below
marishachu [46]
No, because using the vertical line test, two points touch on the same line
[3, 3]
[3,4]
8 0
3 years ago
HELP PLEASE ASAP!! WILL GIVE BRAINLIEST ❤️
Wewaii [24]

Answer:

slope=4

Step-by-step explanation:

m=y2-y1/x2-x1

4-(-4)=8

5-3=2

8/2=4

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6 0
3 years ago
Simplify the exponent 6^-3
damaskus [11]
1/216 is the simplest, but <span>0.00462962962 is more precise.</span>
5 0
3 years ago
Read 2 more answers
HELP ME PLEASE ECPLAIN WHY
stiv31 [10]

Answer:

A≈110.11

using formula 1/4\sqrt5(5+2\sqrt5)a2

Step-by-step explanation:

8 0
3 years ago
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