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antoniya [11.8K]
2 years ago
8

The math of the PSAT asks multiple choice asks

Mathematics
1 answer:
ExtremeBDS [4]2 years ago
7 0

Answer:

a.More than 3.4 million high school students (mostly juniors and sophomores) take this nationwide, multiple-choice test every year.

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Fine each angle measure to the nearest degrees.<br> Sin W=0.7771
monitta

Answer:

51 deg

Step-by-step explanation:

Sin W=0.7771

W = sin^{-1} 0.7771   (use calculator)

W = 50.996 deg

= 51 deg (to nearest degree)

3 0
3 years ago
Express 15.68 trillion in scientific notation.
hram777 [196]

Answer: one billion 1,000,000,000 1 x 109

ten billion 10,000,000,000 1 x 1010

one hundred billion 100,000,000,000 1 x 1011

one trillion 1,000,000,000,000 1 x 1012

Step-by-step explanation:

So sorry if this did not help!

5 0
3 years ago
A sailboat leaves port and sails 12 kilometers west and then 9 kilometers north.
GarryVolchara [31]

Answer:  The sailboat is at a distance of 15 km from the port.

Step-by-step explanation:  Given that a sail boat leaves port and sails 12 kilometers west and then 9 kilometers north.

We are to find the distance between the sailboat from the port in kilometers.

Since the directions west and north are at right-angles, we can visualize the movement of the sailboat in the form of a right-angled triangle as shown in the attached figure.

The sailboat moves leaves the port at P and reach O after sailing 12 km west. From point O, again it moves towards north 9 km and reach the point S.

PS = ?

Using the Pythagoras theorem, we have from right-angled triangle SOP,

Thus, the sailboat is at a distance of 15 km from the port.

3 0
3 years ago
1/4 + 1/2 + x = - 3/4<br>solve for x​
e-lub [12.9K]

Answer:

X=-3/2

Step-by-step explanation:

1/4+1/2+X=-3/4

X=-3/4-1/4-1/2

X=-3/2

6 0
2 years ago
Write and solve an equation to find the number n.
garik1379 [7]
The unknown number is n. So n is the unknown variable in the equation.
In order to write an equation in which n is included we must know some dependence of n with other values.
We know that <span>the difference of three times a number and 44 is −19. So, we can write:
3*n-44=-19
3*n=-19+44
3*n=25
n=25/3


</span>
5 0
3 years ago
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