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Tom [10]
3 years ago
6

Mary wrote the number 2.3 x 103 in standard form. Which number did she write?

Mathematics
1 answer:
Ede4ka [16]3 years ago
3 0

2.3  * 10^3

= 2.3 * 1000

= 2,300  answer

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Please help thank you
PtichkaEL [24]

Answer:

  (d)  y = -5/2x -3

Step-by-step explanation:

All of the offered choices are in slope-intercept form, so it makes sense to put the given equation in that form. Solving for y, we get ...

  5x +2y = -4

  2y = -5x -4 . . . . . subtract 5x

  y = -5/2x -2 . . . . . divide by 2

The system of equations will have <em>no solution</em> if the equations are "inconsistent." That will be the case when the slope is the same, but the y-intercepts are different. That means you're looking for an answer of the form ...

  y = -5/2x +c . . . . . . where c is not -2

This matches the last choice:

  y = -5/2x -3

4 0
2 years ago
Quadrilateral OPQR is inscribed in circle N, as shown below. What is the measure of ∠PQR? (5 points)
dimulka [17.4K]

Answer:

is there a picture?

Step-by-step explanation:

7 0
3 years ago
Solve the system by substitution.<br> y = –2x + 18<br> y = -4x<br> HURRY PLEASE
Irina-Kira [14]

Answer:

x = -9

Step-by-step explanation:

x = -y/4

y = -2(-y/4) + 18

y = y/2 + 18

y/2 = 18

y = 36

x = -36/4

x = -9

5 0
2 years ago
Can someone please help me
ss7ja [257]

Answer:

a.) 1/2

b.) 1/8

c.) 5/8

d.) 1/2

Step-by-step explanation:

for A it is asking for probability of 1 and is 1/2 of the circle

for B it is asking for  probability of 3 and it is 1/2 of and 1/4 of the circle so 1/8

for C it is asking for probability of the odd numbers and there is tow odd numbers 1 and 3 the probability of 1 is 1/2 and the probability of 3 is 1/8 adding them up will give you 5/8

for d it asks for the probability of at least 2 so therefor 2, 3, and 4 and they are 1/8 + 1/8 + for 1/4 = 1/2

6 0
2 years ago
How do you simplify 1 48/99 to the smallest number
blagie [28]
First you need to turn this into an improper fraction. Then, using your improper fraction, you simplify
3 0
3 years ago
Read 2 more answers
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