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aniked [119]
3 years ago
15

Which shows the correct first step to solving the system of equations in the most efficient manner? 3 x + 2 y = 17. x + 4 y = 19

.
x = negative 4 y + 19
x = StartFraction negative 2 y + 17 Over 3 EndFraction 4
y = negative x + 19
y = StartFraction negative 3 x + 17 Over 2 EndFraction
Mathematics
2 answers:
Anton [14]3 years ago
5 0

Answer:

a.)x = negative 4 y + 19

Step-by-step explanation:

i got it right on e2020 lol

djyliett [7]3 years ago
4 0

Answer: The Answer is a

Step-by-step explanation:

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A salad bar offers vegetable platters in 4 sizes (small, medium, large, and super-sized) and 6 different vegetables to choose fr
quester [9]

Answer: She could create 60 platters.

Step-by-step explanation:

Given: A salad bar offers vegetable platters in 4 sizes (small, medium, large, and super-sized) and 6 different vegetables to choose from.

Number of combinations of selecting <em>r</em> things from <em>n</em> things is given by:-

^nC_r=\dfrac{n!}{r!(n-r)!}

So, the number of combinations of selecting 2 different vegetables from 6 = ^6C_2=\dfrac{6!}{2!4!}=\dfrac{6\times5}{2}=15

Now, By Fundamental counting principle, the number of different platters she could create = (number of ways of selecting 2 different vegetables from 6) x (Number of sizes)

= 15 x 4

= 60

Hence, she could create 60 platters.

6 0
3 years ago
A driver travels for 2 hours at 80 miles per hour, during
algol [13]

Answer:

$84

Step-by-step explanation:

Find how many miles she traveled by multiplying 80 and 2.

80 × 2 = 160 miles

Next find out how much she gets paid for her mileage by multiply $0.60 and 160.

160 × $0.60 = $96.00

Now find out how much she spent on gas. She gets 40 miles per gallon so solve how many gallons she used by dividing 160 by 40.

160 ÷ 40 = 4 gallons

Then multiply 4 gallons by $3.00

4 × 3 = $12

To find the net rate of pay subtract 96 and 12

$96 - $12 = $84

8 0
2 years ago
Read 2 more answers
Match each mathematical expression with its simplified form.<br> (2 +9+4)<br> (3 + 1 + 4 + 8)
katen-ka-za [31]

Answer:

15 and 16

Step-by-step explanation:   To get simplified form, you add the numbers in parentheses together. (2+9+4)= 15 and (3+1+4+8)=16

For problem 1. 2+9=11  11+4=15

For problem 2. 3+1=4    4+4=8   8+8=16

Hopefully this helped, and please add me as brainliest.

8 0
3 years ago
Help with numbers 1/6 please
Maslowich

Answer:

1. A=56.25

Step-by-step explanation:

sry but i dont know the answer to six

7 0
2 years ago
PLEASE HELP ASAP! MATH
Lubov Fominskaja [6]

Answer:

Step-by-step explanation:

A.AAS

B.

∠TSU=∠RQU

∠TUS=∠RUQ

TU=RU

7 0
3 years ago
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