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3 years ago

need help with this someone please help

Mathematics

1 answer:

qwelly [4]3 years ago

7 0

Answer: B

Step-by-step explanation:

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A landscaper needs 3 4/8 pounds of plant food. He has 1 1/4 pounds in his truck, and another 4/6 pound at his shop. How many mor

kow [346]

Answer:

$\frac{19}{12}\ pounds$

$1\frac{7}{12}\ pounds$

Step-by-step explanation:

Let

x ----> the additional pounds of plant food needed for the landscaper

we know that

The additional pounds of plant food needed for the landscaper plus the pounds in his truck plus the pounds in his shop must be equal to the total pounds of plant food needed

The linear equation that represent this problem is

$x+1\frac{1}{4}+\frac{4}{6}=3\frac{4}{8}$

Convert mixed number to an improper fractions

$1\frac{1}{4}=1+\frac{1}{4}=\frac{4*1+1}{4}=\frac{5}{4}$

$3\frac{4}{8}=3+\frac{4}{8}=\frac{3*8+4}{8}=\frac{28}{8}=\frac{14}{4}$

Substitute in the expression above

$x+\frac{5}{4}+\frac{4}{6}=\frac{14}{4}$

solve for x

Multiply by (4*6) both sides to remove the fractions

$24x+30+16=84$

Combine like terms left side

$24x+46=84$

subtract 46 both sides

$24x=84-46$

$24x=38$

Divide by 24 both sides

$x=\frac{38}{24}\ pounds$

simplify

$x=\frac{19}{12}\ pounds$

Convert to mixed number

$\frac{19}{12}\ pounds=\frac{12}{12}+\frac{7}{12}=1\frac{7}{12}\ pounds$

3 0

3 years ago

A FAMILY HAS 2 THAT EACH HAVE 1\4 POUNDS OF RICE IN THEM. THEY WILL COMBINE THE 2 BAGS AND EQUALLY SHARE ALL OF THE RICE AMONG 3

goldenfox [79]

Answer:

hbjh

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Help plz find the value of m and n

Rufina [12.5K]

Answer:

jdksbjsd

Step-by-step explanation:

ndjksbcsdbckdsbcsd sorry for points im sorry SORRY SORRY IM SO SORRY

IM RUDE AND UGLY SORRY

3 0

2 years ago

Read 2 more answers

In the equation -2(2-r)=4(5-r) what is r?

valina [46]

$-2(2-r)=4(5-r)\\
-4+2r=20-4r\\
6r=24\\
r=4$

8 0

3 years ago

If a couple plans to have 6 children, what is the probability that there will be at least one boy? Assume boys and girls are e

lutik1710 [3]

Answer:

a) $\frac{63}{64}$

b) The probability for the couple to be very confident that they will get at least one boy in 6 children is $98.43$ %

Step-by-step explanation:

The probability of having a boy or girl is $0.5$

A couple plans to have 6 children

Probability of having at least one male child

$1- (0.5)^6\\$

On solving the above term, we get -

$1- (\frac{1}{2})^6\\= 1-\frac{1}{64}\\ = \frac{63}{64}$

The probability for the couple to be very confident that they will get at least one boy in 6 children is

$\frac{63}{64}* 100\\ = 98.43$

Thus, the probability is very high

7 0

3 years ago

￼need help with this someone please help

need help with this someone please help