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Tatiana [17]
3 years ago
8

MIDDLE SCHOOL MATH On the subway 8 out of 10 people are carrying a briefcase. Based on this information, if there are 700 people

on the subway, then about how many do NOT have a briefcase?
Mathematics
2 answers:
kodGreya [7K]3 years ago
7 0

Answer:

140

Step-by-step explanation:

If 8 out of 10 are carrying a briefcase, that means 2 out of 10 are not carrying one.

Use a proportion to find how many don't have a briefcase with 700 people

Let x represent the number of people without a briefcase:

\frac{2}{10} = \frac{x}{700}

Cross multiply and solve for x

10x = 1400

x = 140

So, 140 people do not have a briefcase

Harlamova29_29 [7]3 years ago
4 0

Answer:

140

Step-by-step explanation:

8/10 people, there's 700 people

10 multiplied by 70 =700.

2 people dont have briefcases = 2 times 70=140

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Quadrilateral HGFJ is a rhombus. GF = 45 cm and mZGHK= 28°. K к What is JF and mZKGH? ? H Н Enter your answers in the boxes. JF
Paraphin [41]

Answer:

JF=45

KGH=62

Step-by-step explanation:

since the quadrilateral is a rhombus, its sides are equal GF=FJ and so on

Diagonals of a rhombus bisect each other at 90° angles, to find the missing value we subtract 90+28(the given angle) to get 62

6 0
3 years ago
Divide (28x5 + 29x4 + 5x3 + 86x2 + 56x + 53) by (–4x – 7) using synthetic division.
bixtya [17]

Answer:

 -7x⁴+5x³-10x²-4x-7 - 4/4x+7

Step-by-step explanation:

Given the division problem, (28x⁵ + 29x⁴ + 5x³ + 86x² + 56x + 53) by (–4x – 7), find the solution in the attachment below.

The polynomial of a function is expressed as P(x) = Q(x) + R(x)/D(x)

Q(x) is the quotient

R(x) is the remainder

D(x) is the divisor

Accordin gto the divsion, Q(x) = -7x⁴+5x³-10x²-4x-7

R(x) = 4

D(x) = -4x-7

Substituting this functions in the polynomial P(x);

P(x) =  -7x⁴+5x³-10x²-4x-7 - 4/4x+7

5 0
3 years ago
Which of these triangle pairs can be mapped to each other using a single translation?
Sliva [168]

Answer:

D is the right answer just do on edj

Step-by-step explanation:

8 0
3 years ago
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Alex wrote the expanded form for the number 165.038 as “100 + 60 + 5 + 30 + 8.” Was he correct? If not, give the correct expande
ivann1987 [24]

No, Alex is wrong. The correct expanded form would be 100+60+5+.03+.008

8 0
3 years ago
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Merry christmas! my teachers gave me work. ill be happy if u help
Sauron [17]
Heyy merry christmas !
area of a triangle = base * height : 2
4 * 5 = 20 : 2 = 10
10 * 12triangles = 120cm^3
4 0
3 years ago
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