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nexus9112 [7]
3 years ago
10

Please need help asap

Mathematics
1 answer:
sertanlavr [38]3 years ago
5 0

Answer:

in which class you are if you are in 7 the ans will be -3.

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-8.3 divided by 0.25
gladu [14]

Answer:

-33.2

Step-by-step explanation:

6 0
3 years ago
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A grocery store sells steak for $6.10 per pound. What would be the cost of 2 3/5<br> lb of steak?
Gnesinka [82]

Answer: The answer is $15.86

Step-by-step explanation: You would change 6.10 into a fraction, which is 61/10. Then you would mulitply that and that number as a decimal would be 15.86.

8 0
3 years ago
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A construction company showed that the strength, y, of concrete, measured
Vilka [71]

Answer:

  a) y-intercept = 17; initial design strength percentage

  b) slope = 2.8; increase in that percentage each day

  c) 29.6 days to 100% design strength

Step-by-step explanation:

a, b) The equation is in the form called "slope-intercept form."

  y = mx + b

where the slope is m, and the y-intercept is b.

Your equation has a slope of 2.8 and a y-intercept of 17.

The y-intercept is the percentage of design strength reached 0 days after the concrete is poured. The strength of the concrete when poured is 17% of its design strength.

The slope is the percentage of design strength added each day after the concrete is poured. The concrete increases its strength by 2.8% of its design strength each day after it is poured.

__

c) To find when 100% of design strength is reached, we need to solve for x:

  100 = 2.8x +17

  83 = 2.8x

  83/2.8 = x ≈ 29.6

The concrete will reach 100 percent of its design strength in about 30 days.

8 0
3 years ago
Solve/Find the value of a
Anettt [7]

Answer:

a= -19 :)

Step-by-step explanation:

thats it lol

6 0
2 years ago
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PICTURE INCLUDED. WILL GIVE YOU BRAINLIEST
AfilCa [17]
Purple line: axis of symmetry
Orange curve: parabola
Black dots: zero, x intercept, asymptote
Red dot: minimum, maximum, dilation
3 0
3 years ago
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