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scoray [572]
3 years ago
15

How do you write an expression 4x362 using expanded form and place value?

Mathematics
1 answer:
aev [14]3 years ago
3 0
<span>4 x 362 = 4(300 + 60 +2) </span>→ 1,200 + 240 + 2
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X+y= -9<br> x+2y= -25<br><br> According to the system of equations above, what is the value of y?
Varvara68 [4.7K]
Try this option:
if x+y=-9 is I (one)
and x+2y=-25 is II (two), then
if II-I, then (x+2y)-(x+y)=-25+9 ⇔ y=-16.
6 0
3 years ago
Use quadratic regression to find
vovangra [49]

Answer:

y = 6x² -13x -5

Step-by-step explanation:

(1,-12) (2,-7) (5,80)

y = ax² + bx + c

-12 = a*1² + b*1 + c = a+b+c    (1)

-7 = 4a + 2b + c    (2)

80 = 25a + 5b + c   (3)

(2)-(1): 3a + b = 5    (4)

(3)-(2): 21a + 3b = 87   (5)

(4)*3:     9a + 3b = 15    (6)

(5)-(6):  12a = 72      a = 6

(4)                             b = -13

(2)                             c = -5

4 0
3 years ago
What is 27 over 40 as a decimal
baherus [9]
27 divided by 40 is equal to 0.675.
5 0
2 years ago
What equals 1050 in multiplication?
kakasveta [241]
There is multiple possibilities:

<span>1050 equals 1 times 1050

1050 equals 2 times 525

1050 equals 3 times 350

1050 equals 5 times 210

1050 equals 6 times 175

1050 equals 7 times 150

1050 equals 10 times 105

1050 equals 14 times 75

1050 equals 15 times 70

1050 equals 21 times 50

1050 equals 25 times 42

1050 equals 30 times 35

1050 equals 35 times 30

1050 equals 42 times 25

1050 equals 50 times 21

1050 equals 70 times 15

1050 equals 75 times 14

1050 equals 105 times 10

1050 equals 150 times 7

1050 equals 175 times 6

1050 equals 210 times 5

1050 equals 350 times 3

1050 equals 525 times 2

1050 equals 1050 times 1</span>
8 0
3 years ago
Read 2 more answers
9 - 3 divided by 1/3 + 1
jolli1 [7]

Answer:

its just 9

Step-by-step explanation:

Divide: 3 : 1 / 3 = 3 / 1 · 3 / 1 = 3 · 3 / 1 · 1 = 9 / 1 = 9 Dividing two fractions is the same as multiplying the first fraction by the reciprocal value of the second fraction. The first sub-step is to find the reciprocal (reverse the numerator and denominator,

6 0
2 years ago
Read 2 more answers
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