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Phoenix [80]
3 years ago
15

Somebody help plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz im not smarttttttttttttttttttttttttttttttttt

Mathematics
1 answer:
LiRa [457]3 years ago
7 0

Answer:

140

Step-by-step explanation:

multiply 5x4x7 and u will get ur answer

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12. Which equation describes the line with a slope of 2 that contains the point (4, -3)?
Alex777 [14]
The answer is A because using the point slope formula y-y1=m(x-x1) you get the answer choice A
7 0
4 years ago
An F5 tornado is classified as having mean wind speeds greater than 261 mph. In an effort to classify a recent tornado, 20 wind
Anna35 [415]

Answer:

Type 2 error

Step-by-step explanation:

H0 : μ = 261

H0 : μ > 261

By failing to reject H0 ; when the it is false. This means accepting null hypothesis when it is actually FALSE. Then a type 2 error has been committed.

This is different from a type 1 error whereby the null hypothesis is rejected when it is actually TRUE.

Hence, by finding no evidence to reject the null hypothesis during statistical testing when the actual windspeed of an F5 tornado during statistical testing is actually greater than 261 mph.

6 0
3 years ago
6. 2(x + 6) = 3(x + 1)
diamong [38]

Answer:

x=9

Step-by-step explanation:

2(x + 6) = 3(x + 1)

2x+12=3x+3

2x+12-12=3x+3-12

2x=3x-9

2x-3x=-9

-1x=-9

-1x÷-1=-9÷-1

x=9

7 0
4 years ago
Read 2 more answers
Pablo bought a desktop computer and a laptop computer. Before finance charges, the laptop cost $250 more than the desktop. He pa
olga55 [171]
A = price of the desktop

b = price of the laptop

now, we know the laptop was more expensive than the desktop by 250 bucks, thus b = a + 250.

for "a", he paid 8.5% in interest, for "b", he paid 5% in interest.

how much is 8.5% of a?  well (8.5/100) * a, or 0.085a.

how much is 5% of b?  well, (5/100) * b, or 0.05b.

now, we know the total charges for financing were $296, that means the interest paid in total was 296, thus whatever "a" or "b" are, we know that  0.085a + 0.05b = 296.

\bf \begin{cases}
\boxed{b}=a+250\\
0.085a+0.05b=296\\
----------\\
0.085a+0.05\left( \boxed{a+250} \right)=296
\end{cases}
\\\\\\
0.085a+0.05a+12.5=296\implies 0.135a=283.5
\\\\\\
a=\cfrac{283.5}{0.135}\implies a=2100

how much did the laptop cost?  well, b = a + 250.
7 0
3 years ago
45 and 46 pls thx and I need work too
ira [324]
45 is b
 and there is no picture of 46
6 0
3 years ago
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