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galben [10]
2 years ago
11

Can you plz help with this?

Mathematics
2 answers:
Allisa [31]2 years ago
6 0

Answer:

d

Step-by-step explanation:

inverse property of addition is going back to zero with the equation so adding 2 to negative 2 will go back to zero

Anna71 [15]2 years ago
3 0

I believe the answer is D

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2,759 divided by 89?
EleoNora [17]

Answer:

31

Step-by-step explanation:

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2 years ago
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What is the constant of proportionality between y and x in the graph​
VMariaS [17]

Answer:

y/x =2/3

Step-by-step explanation:

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4 0
3 years ago
I really am confused on how to write a proof.
kvasek [131]

Since ABCD is a parallelogram, the opposite sides will be parallel and equal,

\begin{gathered} AB=CD \\ BC=AD \end{gathered}

Consider that AC acts as a transversal to the parallel lines AB and CD, so we can write,

\begin{gathered} \angle CAD=\angle ACB\text{ (Alternate Interior Angles)} \\ BC=AD\text{ (Opposite sides of parallelogram)} \\ \angle ADB=\angle CBD\text{ (Alternate Interior Angles)} \end{gathered}

So by the ASA criteria, the triangle AED is congruent to the triangle CEB,

Then the corresponding parts of the triangles will be equal,

\begin{gathered} AE=CE \\ BE=DE \end{gathered}

Hence Proved.

8 0
1 year ago
An element with mass 590 grams decays by 19. 5% per minute. How much of the element is remaining after 15 minutes, to the neares
solmaris [256]

Answer:

Step 1

Formulate a recursive sequence modeling the number of grams after n  minutes.

we have that

100%-17.1%-------------- > 82.9%------------> 0.829

a(n) = 780*[0.829^n]

for n=19 minutes

a(19)=780*[0.829^(19)]=22.1121 g---------------> 22.1 g

the answer is 22.1 g

Step-by-step explanation:

5 0
2 years ago
housing prices in a certain neighborhood average at 97.86 per square foot. If one house in this neighborhood is 1400 square feet
Arturiano [62]
The average price of such a house is
  (97.86/ft²)×(1400 ft²) = 97.86×1400 = 137,004
8 0
3 years ago
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