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3 years ago

Please help this is due tomorrow

Mathematics

1 answer:

tia_tia [17]3 years ago

7 0

Danielle had a percent error of 13.6 (farthest)
Iris had a percent error of 6.8
HB has a percent error of -2.3 (closest)

So the order is HB, Iris, and then Danielle

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Please help!!!!!

sergeinik [125]

-8.1

Step-by-step explanation:

$\frac{ - 4}{9} x + 2.4 = 6$

Times all by 9 to get rid of fraction

$- 4x + 21.6 = 54$

Take 21.6 away from both sides

$- 4x = 32.4$

Divide by -4

$x = - 8.1$

8 0

2 years ago

Read 2 more answers

What is -212+(-102)?

hram777 [196]

Answer:

-212+(-102) = -212-102

= -314

Hope this helps!

4 0

3 years ago

Read 2 more answers

Expand (2x-5y)⁷ and find fourth form

elena55 [62]

Step-by-step explanation:

By binomial theorem,

T(r+1) = nCr * a^(r+1) * b^r

Term 4 = 7C3 * (2x)^4 * (-5y)^3 = 35 * (16x^4) * (-125y^3) = -70000x^4y^3.

3 0

3 years ago

For what values of x:

Anna71 [15]

Answer:

x=5 and x=6

Step-by-step explanation:

4 0

3 years ago

Tom and Brian are hiking towards each other at the opposite ends of a trail that is 21 miles long. Tom hikes uphill at a speed o

Arturiano [62]

Answer:

3.5 hours

Step-by-step explanation:

Distance = 21 miles

Speed * time

Speed * time = distance

Tom speed = 2 mph

Brian = 4 mph

Let time = t

Brian distance + Tom's distance = total distance

4t + 2t = 21

6t = 21

t = 21 / 6

t = 3.5 hours

4 0

3 years ago

Please help this is due tomorrow ​

Please help this is due tomorrow