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ololo11 [35]
3 years ago
12

MissSmartiez, when you're done please answer these questions.:)

Mathematics
2 answers:
BabaBlast [244]3 years ago
7 0
The first one is number 2 the second one is 185.(could you also say what is in the drop down menu for the third one. The last one is Part A is 376 and part B is 1,3,4.Hoped it helped a bit :)
Alex_Xolod [135]3 years ago
4 0
First attachment:
Indication words: each, gives, left.
> Each indicates multiplication
> left and gives indicate subtraction.

''5 packs obtains 4 cards each. 3 cards are given away,'' translates to 5 * 4 - 3

Therefore B = 5 * 4 - 3

Second attachment: 
Indication words: more, gives.
> More signifies addition 
> Gives signifies subtraction.

 The equation would be 229 + 35 - 149 = ?

Use PEMDAS. Note that you do addition first since it's before subtraction when we read this equation question left to right. 
229 + 35 - 149 = ? ⇒(229 + 35) - 149 = ? ⇒ 264 - 149 = 115; ? is 115

Answer: 115

Third attachment: 
I cannot answer; I don't know the choices in the choose boxes. 

Fourth attachment: 
You are incorrect for Part A. Raising 9 dollars EACH (*) day for a week (7 days) translates to, in mathematical terms, 9 * 7. 9 multiplied by 7 equals 63. 
The goal was to get to 439 dollars. If they have 63, how much MORE (+) do they need? To solve this, we do inverse operations of addition which is subtraction. Take 439 and subtract it by 63. 439 - 63 = 376. Check our work: 376 + 63 = 439? Yes. 

In conclusion the answer for Part A is A; $376.  

Part B - 
Answer 1: 9 book covers (9 * 8 = 72 ) + 1 calculator (1 * 9 = 9) = 81. Do not check this off because the result is not exactly 80.
Answer 2: 1 binder (1 * 4=4) + 8 calculators (8 * 9= 72) = 76. Do not check this off because the result is not exactly 80.
Answer 3: 1 book cover (1 * 8 = 8) + 8 calculators (8 * 9 = 72) = 80. Check this because the result is exactly 80.
Answer 4: 7 calculators (7 * 9 = 63) + 1 stapler (1 * 17) = 80. Check this because the result is exactly 80.

Answer 3 and 4 are correct in summary. 
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Step-by-step explanation:

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12. F(x) = 4x squared
Ymorist [56]

Answer:

y-intercept: y=0

axis of symmetry: x=0

vertex: (0,0)

Step-by-step explanation:

To find the y-intercept, set x = 0 and solve for y.

I am assuming f(x) = y

y=4x^2

y=4(0)^2

y=0

The y-intercept of the equation is y = 0.

Now, for the axis of symmetry, you need the equation x=\frac{-b}{2a}

In an equation.. y=ax^2+bx+c

In this case, there is only an a, so plug in the values into the equation.

x=\frac{0}{2(4)}

x=0

The axis of symmetry is x = 0.

To find the vertex, change the format of the equation from standard form to vertex form.

Vertex form: y=a(x-h)^2+k

The vertex is (h,k)

y=4x^2 = 4(x+0)^2+0

(h,k)=(0,0)

The vertex in this case is (0,0).

Graphing makes things a lot easier. If you can graph it, all you have to do is look at the graph and the answers are all there!

Hope this helped you!

6 0
3 years ago
robert has 100 grams of radioactive kind of lawrencium how much will be left after 36 hours if it is half life is 4 hours
Maurinko [17]
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Would you use an equal sign or an inequality symbol in the following situation? Explain how to decide which sign to use
WITCHER [35]

Answer:

You would use an inequality sign because the statement says at least, meaning you have to be above or exactly the age given.

Step-by-step explanation:

You would use an equal sign if it says you must be that exact age, meaning anyone above and under the age of 16 are not allowed to obtain their drivers license.

4 0
3 years ago
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