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3 years ago

Simplify 12/5(10/3b+15/4) .

Mathematics

2 answers:

Elodia [21]3 years ago

7 0

Step 1. Simplify 10/3b to 10b/3
12/5(10b/3 + 15/4)
Step 2. Distribute
8b + 9

denis-greek [22]3 years ago

6 0

8b+9
remember to distribute

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Quadrilateral PQRS with diagonals PR and SQ that intersect at point T

larisa [96]

Answer:

A. segment PS ≅ segment QR

Step-by-step explanation:

Given that the quadrilateral PQRS is a rectangle then;

The diagonals are PR and SQ
Point of intersection of diagonals is T
Segment PS≅ Segment QR
∠PSQ≅ ∠SQR
segment SR≅ segment PQ

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3 years ago

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Consider functions f and g.

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Consider functions f and g such that composite g of is defined and is one-one. Are f and g both necessarily one-one. Let f : A → B and g : B → C be two functions such that g o f : A ∴ C is defined. We are given that g of : A → C is one-one.

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3 years ago

Which is the greatest rational number? A. 3 2/7 B. 3 1/4 C. 3.31 D. 3.36

lana [24]

Answer:

Step-by-step explanation:

3 1/4 = 3.25

3 2/7 = 3.29

3.29>3.25

3.31>3.29

3.36>3.31

so the answer is D.

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3 years ago

If two lines are skew lines, then they are noncoplanar. True or false

Anika [276]

Answer:

Two lines that both lie in the same plane must either cross each other or be parallel, so skew lines can exist only in three or more dimensions. Two lines are skew if and only if they are not coplanar.

Step-by-step explanation:

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3 years ago

Keisha, Miguel, and Pablo sent a total of 69 text messages during the weekend. Miguel sent 5 more messages than Keisha. Pablo se

frutty [35]

Number of text messages Keisha sent: 16

Number of text messages Miguel sent: 21

Number of text messages Pablo sent: 32

Step-by-step explanation:

Total messages sent = 69

Let,

Messages sent by Keisha = x

Messages sent by Miguel = y

Messages sent by Pablo = z

According to given statement;

x+y+z=69 Eqn 1

y=x+5 Eqn 2

z=2x Eqn 3

Putting Eqn 2 and 3 in Eqn 1

$x+(x+5)+2x=69\\x+x+5+2x=69\\4x=69-5\\4x=64$

Dividing both sides by 4;

$\frac{4x}{4}=\frac{64}{4}\\x=16$

Putting x=16 in Eqn 2

$y=16+5=21$

Putting x=16 in Eqn 3

$z=2(16)=32\\$

Number of text messages Keisha sent: 16

Number of text messages Miguel sent: 21

Number of text messages Pablo sent: 32

Keywords: addition, linear equation

Learn more about addition at:

#LearnwithBrainly

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3 years ago