3 years ago

PLS HELP, NO LINKSSSS, WILL MARK BRAINLIEST WHO EVER GETS IT RIGHT

Mathematics

1 answer:

bogdanovich [222]3 years ago

7 0

The answer is the first one 15/17

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1. 12 = x + 3 2. b+0.6= -1 3. a+(-4)= -13 4. x+27= -12 5. a+(-1.2)= -5.5

Archy [21]

1. 12=x+3 12-3=9 now try 9+3 that is 12 so x=9
2. b+0.6=-1 -1-0.6=-1.6 -1.6+0.6=-1 b=-1.6
3. a=-9
4. x=-39 I believe
5. a=-4.3

8 0

3 years ago

Read 2 more answers

Mathswatch Question! Mr Powers checks his electricity bill. Here are his meter readings. New reading: 6538 units, Old reading: 6

Setler79 [48]

Answer:

$Cost = 284 x$

Step-by-step explanation:

Given

$Old = 6245\ units$

$New = 6538\ units$

Required

The cost of units used

First, calculate the number of units used.

$Units = New - Old$

$Units = 6538 - 6254$

$Units = 284$

Next, multiply the units used by the cost per units,

Since the cost per unit is not given, we assume that it is x.

So, the total cost is:

$Cost = Units * Cost\ per\ units$

$Cost = 284 * x$

$Cost = 284 x$

3 0

3 years ago

N and (2 + 6) What is the answer

AleksandrR [38]

Answer:

Step-by-step explanation:

distribute n between 2 and 6 then add

3 0

3 years ago

What is the sum of the polynomials? (9x4−13x3−x−7)+(7x3−2x+1) A.) −6x^6+9x^4−3x^2−6 B.)−6x^6+9x^4−x−8 C.)9x^4−6x^3−x−8 D.)9x^4−6

irinina [24]

(9x^4-13x^3-x-7)+(7x^3-2x+1)=
9x^4-13x^3-x-7+7x^3-2x+1=
9x^4+(-13+7)x^3+(-1-2)x-7+1=
9x^4+(-6)x^3+(-3)x-6=
9x^4-6x^3-3x-6

Answer: Option D.)9x^4−6x^3−3x−6

5 0

3 years ago

Read 2 more answers

As an estimate we are told 5 miles is 8 km, what is 62.5 miles into km

Sati [7]

Answer:

≈100.5

Step-by-step explanation:

hope this helps

6 0

2 years ago