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DIA [1.3K]
3 years ago
11

Which of the following situations can be modeled by the expression -4 + (-7)?

Mathematics
2 answers:
Alisiya [41]3 years ago
6 0

3rd for sure!

Hope that helps

cupoosta [38]3 years ago
5 0

Third option: Elsa lost four points on the last math quiz, and Marc lost seven points. How many total points did they lose?

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“21 less than three-fifths of a number”
Amanda [17]
3/5x-21 is the answer(I think) if not it’s 21-3/5x
4 0
3 years ago
If D-M-G, DM=2x , MG= x-2 , and DG= 7 , find x
Dmitrij [34]

Step-by-step explanation:

DG is the total measurement of the line. M is a point inbetween D & G

2x + x - 2 = 7

Simplify. Combine likke terms

(2x + x) - 2 = 7

3x - 2 = 7

Isolate the x. First, add 2 to both sides

3x - 2 (+2) = 7 (+2)

3x = 9

Isolate the x. Divide 3 from both sides

(3x)/3 = (9)/3

x = 9/3

x = 3

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3 is your answer for x

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~<em>Where the Good Way Lies, Hope Unfolds</em>

4 0
3 years ago
Solve for b.<br><br> −13b=9 plees help
Brilliant_brown [7]
<span>−13b=9
divide both sides by -13
</span><span>−13b/-13 =9/-13
simplify
b = -9/13</span>
5 0
3 years ago
Read 2 more answers
two ferries start moving toward each other from opposite riverbanks, a and b. when they pass each other for the first time, the
Usimov [2.4K]

Let 'x' be the distance from THE far bank   where 700 is the distance to the NEAR bank

boat one has travelled 700    (rate = 700/unit time)         boat two has travelled   x    rate = x / unit time

boat one then travels   x  + 400  more      and boat two travels   700 + (700+x -400) more    when they meet

The time is the same      rate x time = distance      distance/rate = time     equate the distances divided by the respective rates

(700 + x + 400)/700     =    (  x  +  700     +  (700+x-400) )/x

1100x + x^2 = 1400x + 700000

x^2-300x -700000 = 0                         quadratic formula yields  x = 1000  

One boat travels 700   the other   1000 whe they first meet.....width of river =   700+ 1000 = 1700 m

3 0
3 years ago
Fatima paid for 5 pallets of grass to be delivered each pallet cost $129.95. Fatima paid $76.20 for delivery. What is the total
lianna [129]

Answer:

$725.95

Step-by-step explanation:

First, calculate how much she paid for the 5 pallets

Each pallet costs 129.95, and she paid for 5, so we can multiply the 2 numbers

129.95*5=649.75

Then, add the delivery cost

649.75+76.20=725.95

So the total amount she paid is $725.95

Hope this helps! :)

3 0
3 years ago
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