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telo118 [61]
2 years ago
9

During a snowstorm, the temperature drops from 0°F to -12°F in 3 hours. On

Mathematics
2 answers:
Anastasy [175]2 years ago
8 0

Answer:D.

-4°F

Step-by-step explanation:

EastWind [94]2 years ago
7 0

Answer:

D

Step-by-step explanation:

d

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How do you solve this? <br>Y x 49/36=7/12
Triss [41]
Divide both sides by 49/36 to get y by itself:

\frac{7}{12} \div \frac{49}{36}

\frac{7}{12} \times \frac{36}{49} = \frac{254}{588}

Simplify this fraction:

\frac{254}{588} \div \frac{2}{2} = \frac{127}{294}

Now you have your answer:

y = \frac{127}{294}


5 0
3 years ago
Orthogonalizing vectors. Suppose that a and b are any n-vectors. Show that we can always find a scalar γ so that (a − γb) ⊥ b, a
jeka57 [31]

Answer:

\\ \gamma= \frac{a\cdot b}{b\cdot b}

Step-by-step explanation:

The question to be solved is the following :

Suppose that a and b are any n-vectors. Show that we can always find a scalar γ so that (a − γb) ⊥ b, and that γ is unique if b \neq 0. Recall that given two vectors a,b  a⊥ b if and only if a\cdot b =0 where \cdot is the dot product defined in \mathbb{R}^n. Suposse that b\neq 0. We want to find γ such that (a-\gamma b)\cdot b=0. Given that the dot product can be distributed and that it is linear, the following equation is obtained

(a-\gamma b)\cdot b = 0 = a\cdot b - (\gamma b)\cdot b= a\cdot b - \gamma b\cdot b

Recall that a\cdot b, b\cdot b are both real numbers, so by solving the value of γ, we get that

\gamma= \frac{a\cdot b}{b\cdot b}

By construction, this γ is unique if b\neq 0, since if there was a \gamma_2 such that (a-\gamma_2b)\cdot b = 0, then

\gamma_2 = \frac{a\cdot b}{b\cdot b}= \gamma

6 0
3 years ago
84 is 30% of what number?<br> 2.8<br> 25.2<br> 280<br> 2520
frez [133]

<em>The</em><em> </em><em>right</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>2</em><em>8</em><em>0</em>

<em>pl</em><em>ease</em><em> </em><em>see</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em><em> </em><em>for</em><em> </em><em>full</em><em> solution</em>

<em>Hope</em><em> </em><em>it</em><em> helps</em>

<em>G</em><em>ood</em><em> luck</em><em> on</em><em> your</em><em> assignment</em>

4 0
2 years ago
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If the coordinates of a point p(m-3 , -6) = p(-7 , -6), then find the value of m .​
Ulleksa [173]

Answer:

woah what an coincidence

Step-by-step explanation:

i have this question on my exam lamoa

6 0
3 years ago
There is a population of 5,000 bacteria in a colony. If the number of bacteria doubles every 37 minutes, what will the populatio
Troyanec [42]

Answer:

If there are 5000 bacteria in a colony right now, there will be  5000x2, or 10000 bacteria in the colony in 37 minutes.

If there are 10000 bacteria in the colony in 37 minutes, there will be 20000 bacteria in the colony in 74 minutes, as the bacteria doubles every 34 minutes.

Let me know if this helps!

8 0
2 years ago
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