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4 years ago

What is the value of the expression below when y=8 2y+7

Mathematics

2 answers:

BartSMP [9]4 years ago

6 0

Answer:

Step-by-step explanation:

you just replace the y with 8 because y equals 8, then you multiply and add to get the answer

Gala2k [10]4 years ago

3 0

Answer:

Step-by-step explanation:

if y=8 then you plug it inti the equation

2(8)+7

16+7=23

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Whats the sets of a function

podryga [215]

Answer:

In mathematics, a function space is a set of functions of a given kind from a set to a set . It is called a space because in many applications it is a topological space (including metric spaces), a vector space, or both.

Step-by-step explanation:

3 0

3 years ago

Use the fact that 2 1/2 divide 1/8 =20 to find 2 1/2 divide 5/8

Tasya [4]

Answer:

Step-by-step explanation:

Given that $2\frac 1 2 \div \frac 1 8 =20$

$\Rightarrow \frac 5 2 \div \frac 1 8 =20$

$\Rightarrow \frac 5 2 \times 8 1 =20 \cdots(i)$

Now, $2\frac 1 2 \div \frac 5 8$ $= \frac 5 2 \div \frac 5 8$ $=\frac 5 2 \times \frac 8 5$

This can be written as

$\frac 5 2 \times \frac 8 5=\frac 5 2 \times \left( \frac 8 1 \times \frac 1 5\right)$ [as $\frac 8 5=\frac 8 1 \times \frac 1 5$ ]

$=\left(\frac 5 2 \times \frac 8 1 \right)\times \frac 1 5$

$=20 \times \frac 1 5$ [ by using equation (i)]

Hence, $2\frac 1 2 \div \frac 5 8=4$

7 0

3 years ago

in one day annie traveled 5 times the sum of the number of hours brian traveled and 2. together they traveled 20 hours. find the

8090 [49]

Let Ah be Annie's hour of travel in 1 day and Bh be Brian's hour

to get Brian's hour of travel:
Ah + Bh = 20

5 (Bh +2 ) + Bh= 20
5 Bh + 10 + Bh=20
6 Bh = 20 - 10
6Bh = 10
6 6
Bh =1.66

To get Ah of travel 1 day
Ah = 5 (Bh + 2)
 = 5 (1.66 + 2) 
 = 5 ( 3.66 )
Ah = 18.30

Checking: Ah + Bh =20 

18.30 + 1.66 = 20
19.96 = 20 
20 = 20
(19.96 is rounded off)

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4 years ago

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Anna11 [10]

Answer:

about 7

Step-by-step explanation:

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3 years ago

Rob deposits $1,000 in a savings account at New York State Bank that pays 1.4% interest, compounded monthly.

Nata [24]

Answer:

Step-by-step explanation:

p=$1000

rate percent=1.4%

time=one year

then

1.4/100*100=14

8 0

3 years ago