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Debora [2.8K]
2 years ago
6

Spiral Review. Find the value of the expression below

Mathematics
1 answer:
MakcuM [25]2 years ago
6 0

Answer:

399

Step-by-step explanation:

9+4^3*(20-8)/2+6

9+(4)(4)(4)(12)/2+6

9+64(12)/2+6

9+768/2+6

15+768/2

15+384

399

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What is the sum of the first 11 terms of the arithmetic series in which a1= -12 and d=5?
SVEN [57.7K]
Hello :  
the terme general is : an = a1 +(n-1)d
 a11 = a1+(11-1)×5
a11 = -12+50
a11 = 38
<span>the sum of the first 11 terms is : S11 = (11/2)(a1+a11)
</span>S11 = (11/2)(-12+38)
S11 = 143
3 0
3 years ago
Please help me this question
postnew [5]
Let's split it into rectange and tringle
BC= 2.1+ sqrt(3.2^2 - 1.9^2) = 4.67
7 0
3 years ago
Read 2 more answers
HELP!!!!
Ksju [112]

Answer:

PoP Goes the wEezLe

Step-by-step explanation:

Everything.

3 0
3 years ago
Ray says that the ordered pair for point G is(1,2).Is Ray correct?
liubo4ka [24]

Answer:

1 unit up from the origin, so the ordered pair is (2, 1). (4, 2); Possible explanation: Point H is 4 units to the right of the origin, so the x -coordinate is

NO hes not correct

Step-by-step explanation:

4 0
3 years ago
Slope = 1, y-intercept = -4 ??
dalvyx [7]
Slope (m) = 1
Y-intercept (b) = -4

Formula: y = mx + b
To put it in the y=mx+b formula, you just have to plug it in so the answer would be...

y = 1x + -4

Hope that helped
8 0
3 years ago
Read 2 more answers
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