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garri49 [273]
4 years ago
14

Yesterday, the temperature at noon was 10.4F. By midnight, the temperature has decreased by 16.7 degrees. What was the temperatu

re at midnight?
Mathematics
1 answer:
NeTakaya4 years ago
8 0

Answer:

-6.3

Step-by-step explanation:

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For this item, complete the choice matrix by clicking the appropriate answer in each row.
gregori [183]

Answer:

hi i suck at math

Step-by-step explanation:

3 0
4 years ago
Which expression is equivalent to (64 y Superscript 100 Baseline) Superscript one-half?
Alex_Xolod [135]

Answer:

8y^{50}

Step-by-step explanation:

This expression is equal :

{(64y^{100})}^{\frac{1}{2}}

Here we can use this rule :

(a^mb^n)^y=a^{my}b^{ny}

Now, 64 we can write like : 8^2

(8^2y^{100})^{\frac{1}{2}}

Now we can use our rule :

8^{2*\frac{1}{2}}y^{100*\frac{1}{2}

When we simplify, we have :

8y^{50}

6 0
4 years ago
Read 2 more answers
I think number 9 is b or c, i don't know what 10 is. please help me!!!
scoray [572]
10 is letter b. I hope this helps!!!
7 0
4 years ago
If the vertex of a parabola is at (2, 3) and the point (0, -1) is also on the parabola, find an equation for the parabola. Write
STALIN [3.7K]

Answer:

y=-1(x-2)^2+3

Step-by-step explanation:

W have been given that the vertex of a parabola is at (2, 3) and the point (0, -1) is also on the parabola. We are asked to find the equation of parabola in the form y=(x-h)^2+k.  

We know that vertex form of parabola in form y=a(x-h)^2+k, where (h,k) in vertex of parabola.  

Upon substituting coordinates of vertex, we will get:

y=a(x-2)^2+3

To find the value of a, we will substitute coordinates of point (0, -1) as:

-1=a(0-2)^2+3

-1=a(4)+3

-1=4a+3

-1-3=4a+3-3

-4=4a

\frac{-4}{4}=\frac{4a}{4}

-1=a

Therefore, our required equation would be y=-1(x-2)^2+3.

3 0
3 years ago
I know I haven't been on this app for a long time but can ya'll help me
kramer

Answer:

2774

Step-by-step explanation:

start by multiplying 2 by 7, the answer is 14 put the 1 above the 8 in 1387 then put the 4 under the equation, similar to addition. repeat but next time when you multiply 2 by 8 add the 1 (from the previous multiplication) to the answer under and put the 1 from 17 on top of the 3. you get it?

8 0
3 years ago
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