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Natali [406]
3 years ago
7

Simplify. 17 _ 6 _ 10 Ÿ 2 + 12 A. 27.8 B. 59 C. 67 D. _1

Mathematics
2 answers:
Evgesh-ka [11]3 years ago
7 0
17 - 6 x 10 ÷ 2 + 12 = 17 - 60 ÷ 2 + 12 = 17 - 30 + 12 = -13 + 12 = -1
zysi [14]3 years ago
4 0
The problem is not understandable
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What is 63,120,000 written in scientific notation
sweet-ann [11.9K]
6.3120000 × 10^7 I’m pretty sure that the correct answer
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Find the distance between the points (1,7) and ( 5, 10).
Evgesh-ka [11]

Answer:

Step-by-step explanation:

\sqrt{(5-1)^{2}  +(10-7)^{2}\\\\\sqrt{4^{2} + 3^{2}  \\\\\sqrt{16+9}    = \sqrt{25}  =  5

5 0
3 years ago
5. The mapping f: xax² + bx + c defined on the set of real numbers is such that f(0) = -4,f(1)-1 and/(-1)= -5. Find a, b and c.
Marrrta [24]

It looks like you're saying

f(x) = ax^2 + bx + c

and you're asked to find a,b,c given f(0)=-4, f(1)=-1, and f(-1)=-5.

Evaluate f at the three given points:

x=0 \implies f(0) = \boxed{c = -4}

x=1 \implies f(1) = -1 = a + b + c \implies a+b = 3

x=-1 \implies f(-1) = -5 = a - b + c \implies a - b = -1

(a+b) + (a-b) = 3 + (-1) \implies 2a = 2 \implies \boxed{a=2}

a-b = -1 \implies \boxed{b=3}

and the mapping is f(x) = 2x^2 + 3x - 4.

5 0
2 years ago
Match the scale drawing area and the actual area to the correct scale.
Amanda [17]

Answer:

13:117 = 1:3

5:125 = 1:5

8:128 = 1:4

12:48 = 1:2

Step-by-step explanation:

117/13 = 9

√9 = 3

125/5 = 25

√25 = 5

128/8 = 16

√16 = 4

48/12 = 4

√4 = 2

3 0
4 years ago
1. The reciprocal parent function is translated 2 units left and 9 units down.
11Alexandr11 [23.1K]

Answer:

y= -2x-9

Step-by-step explanation:

x would move left or right, and up and down is y

left or down are negative and up or right are positive

7 0
3 years ago
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