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exis [7]
3 years ago
14

How many solutions does the following equation have? -3z + 9 -2z = -12 - 5z

Mathematics
1 answer:
asambeis [7]3 years ago
4 0
This has no solutions
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Please help with this problem
vodka [1.7K]
Answer:

0.004, 4%, 1/4, 4/9.

Explanation:

3 0
2 years ago
The measure of one acute angle in this right triangle is 30°. What is the measure of the
Viktor [21]

Answer:

60°

..................

8 0
2 years ago
Read 2 more answers
Convert 42 km/h to m/s
Marta_Voda [28]

42 km/h is equal to 0.00724933 m/s

You get this by dividing the km/h speed value by 1.609 to get it to m/h, then divide that by 60, then by 60 again to get it to m/s.

5 0
2 years ago
Matt and Mark went to El Rodeo to have some dinner. Matt ordered 3 tacos and 2 enchiladas, which cost him $4.93. Mark ordered 2
lord [1]

Answer:

The cost of one taco is $0.87 and the cost of one enchilada is $1.16

Step-by-step explanation:

Let the cost of tacos be X

and cost of enchiladas be y

So, by using given data, we have following equations

3X + 2Y = 4.93             (1)

2X + 4Y = 6.38             (2)

So, first multiply 1st equation by 2 and 2nd equation by 3, then subtracting 1st equation by 2nd.

= 2 × ( 3X + 2Y = 4.93)       (1)

= 3 × (2X + 4Y = 6.38)        (2)

= - (6X + 4Y = 9.86)              (1)

= 6X + 12y = 19.14            (2)

= 8Y = 9.28

Y = 9.28 ÷ 8 = 1.16

By putting the value of Y in equation 1, we get

3X + 2(1.16) = 4.93

3X + 2.32 = 4.93

X = 2.61 ÷ 3 = 0.87

Hence, the cost of one taco is $0.87 and the cost of one enchilada is $1.16.

8 0
3 years ago
Explain a strategy u could use to compare 2/6 and 5/8.
Schach [20]
Try to get the fractions with same denominators. Use the LCD system to find equal factors to a common denominator. Then just simply compare it. 

*Note: Larger fraction is the greater numerator.*

Hoped this helped.

~Bob Ross® 
6 0
3 years ago
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