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3 years ago

Heyy! i’ll give brainliest please help.

Mathematics

2 answers:

Neko [114]3 years ago

7 0

Answer:

im going to say the equator

Step-by-step explanation:

Valentin [98]3 years ago

5 0

Answer:

I believe it's the Gulf Stream

Step-by-step explanation:

"Warmer air associated with the North Atlantic drift brings warmer Gulf Stream waters to the western areas of the British Isles. Keeping it much warmer than it would otherwise be."

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Patrick purchased four new tires that were regularly priced at $95.99 each, but are on sale for $20 off per tire. If the sale ta

lbvjy [14]

$ 325.2372 will be charged on Patrick's Visa card.

Explanation

The regular price of each tire is $95.99 and the discount amount is $20 per tire.

So, the selling price of each tire will be: $(95.99-20)dollar=75.99 dollar$

and the total selling price of 4 tires $= (75.99*4)dollar=303.96 dollar$

The sale tax is 7%. So, the amount of sale tax $= 7\% of 303.96 = (0.07*303.96)dollar = 21.2772$ dollar

So, the total charge on Patrick's Visa card will be: $(303.96+21.2772)dollar = 325.2372$ dollar

5 0

3 years ago

8. a. If A is 5 x 5 matrix and det(A) = 3 then det(2A) = --------- b. If A is 100 x 100 matrix and det( A) = m then det(-A) = --

cricket20 [7]

Answer:

a) det(A)=96; b) det(A)=m;

Step-by-step explanation:

If we have a $n \times n$ matrix A and a constant $t \in \mathbb{R}$ . It holds that $\det(tA)=t^n\det(A)$ , hence

(a) If A is a $5x5$ matrix and $\det(A)=3$ , then we have

$\det(2A)=2^5\cdot \det(A)= 32 \cdot 3=96$

(b) If A is $100 \times 100$ matrix and $\det(A)=m$ , then we have

$\det(-A)=(-1)^{100}\det(A)=(-1)^{100}\cdot m=1 \cdot m = m$

5 0

4 years ago

What's the value of x ?

Helen [10]

the formula for the Pythagorean theorem is a squared plus b squared is equals to c squared we don't have our a so it will be 8 * 8 =64which is 64 is equals to 10 * 10 which is 100 - 64 is equals to 36 then you square root do square roots the 36 which is 6

5 0

4 years ago

Find the points having x-coordinate of 9 whose distance from the point (3,-2) is 10.

kotegsom [21]

$\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{3}~,~\stackrel{y_1}{-2})\qquad (\stackrel{x_2}{9}~,~\stackrel{y_2}{y})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ \stackrel{d}{10}=\sqrt{[9-3]^2+[y-(-2)^2]}\implies 10=\sqrt{(9-3)^2+(y+2)^2} \\\\\\ 10=\sqrt{6^2+\stackrel{FOIL}{(y^2+4y+4)}}\implies 10^2=36+(y^2+4y+4)$

$\bf 100=y^2+4y+40\implies 0=y^2+4y-60 \\\\\\ 0=(y+10)(y-6)\implies y= \begin{cases} -10\\ 6 \end{cases} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill (9,-10)\qquad (9,6)~\hfill$

3 0

4 years ago

Help me solve seven pls pls

frutty [35]

Answer:

B. 20

Step-by-step explanation:

First, 20% of 20 is 4.

36 decreased by 4 (36-4) is 32.

The equation is N (160%)=32 or 1.6n=32

160% because it was already 100%, and its increased by 60% (100+60)

Divide both sides by 1.6.

You get n=20

I hope this helps!

8 0

3 years ago