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larisa86 [58]
3 years ago
11

Estimate the product of 134x11 and then complete each calculation.

Mathematics
1 answer:
Anna71 [15]3 years ago
4 0

Answer:1300

Step-by-step explanation:

134 is round off to 130

11 is round off to 10

130*10=1300

Actual answer: 134*11=1474

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A) (27+15)÷3+8(4+3-10=
irga5000 [103]

Answer:

-11, 723

Step-by-step explanation:

(27+15)/3+8(4+3-10)=-11

(90+30)*6-7*0+(10+5)/5=723

4 0
3 years ago
A marketing firm would like to test-market the name of a new energy drink targeted at 18- to 29-year-olds via social media. A st
Anon25 [30]

Answer:

(a) The probability that a randomly selected U.S. adult uses social media is 0.35.

(b) The probability that a randomly selected U.S. adult is aged 18–29 is 0.22.

(c) The probability that a randomly selected U.S. adult is 18–29 and a user of social media is 0.198.

Step-by-step explanation:

Denote the events as follows:

<em>X</em> = an US adult who does not uses social media.

<em>Y</em> = an US adult between the ages 18 and 29.

<em>Z</em> = an US adult between the ages 30 and above.

The information provided is:

P (X) = 0.35

P (Z) = 0.78

P (Y ∪ X') = 0.672

(a)

Compute the probability that a randomly selected U.S. adult uses social media as follows:

P (US adult uses social media (<em>X'</em><em>)</em>) = 1 - P (US adult so not use social media)

                                                   =1-P(X)\\=1-0.35\\=0.65

Thus, the probability that a randomly selected U.S. adult uses social media is 0.35.

(b)

Compute the probability that a randomly selected U.S. adult is aged 18–29 as follows:

P (Adults between 18 - 29 (<em>Y</em>)) = 1 - P (Adults 30 or above)

                                            =1-P(Z)\\=1-0.78\\=0.22

Thus, the probability that a randomly selected U.S. adult is aged 18–29 is 0.22.

(c)

Compute the probability that a randomly selected U.S. adult is 18–29 and a user of social media as follows:

P (Y ∩ X') = P (Y) + P (X') - P (Y ∪ X')

                =0.22+0.65-0.672\\=0.198

Thus, the probability that a randomly selected U.S. adult is 18–29 and a user of social media is 0.198.

6 0
3 years ago
PLEASE HELP I NEED TI GO TO BED AND ITS 12 am! Select the ordered pairs that are solutions to the inequality 2x-3y greater than
max2010maxim [7]
(8,1);((-2,-6)

2•8-3•1>=12
16-3>=12
13>=12

2•(-2)-3(-6)>=12
-4+18>=12
14>=12
5 0
3 years ago
Read 2 more answers
Kay and Allen sell cell phones. Last month Kay sold 17 more cell phones than Allen. Together they both sold 117 cell phones. How
mrs_skeptik [129]

Answer:

Kay sold 67; Allen sold 50

Step-by-step explanation:

Let "a" represent the number of phones that Allen sold.

a + (a+17) = 117 . . . equation used to find the answer

2a = 100 . . . . . . . . subtract 17, collect terms

a = 50 . . . . . . . . . . divide by 2; the number Allen sold

a+17 = 67 . . . . . . . . Kay sold 17 more than Allen

5 0
3 years ago
Please help me with this math question
Arturiano [62]

Answer:

145

Step-by-step explanation:

168-23 = 145

    i hope this helps :)

5 0
1 year ago
Read 2 more answers
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