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3 years ago

Help help help with rounding

Mathematics

2 answers:

mr_godi [17]3 years ago

7 0

Answer:

1.6, 2.4, and 3.1.

Step-by-step explanation:

Identify the tenths digit: 6 in 1.6.37

Identify the next smallest place value. There is nothing next to the 6.

Is that digit greater than or equal to five? No, so round down.

The tenths digit stays the same at 6. Since the remaining digits are after the decimal point you just drop them.

abruzzese [7]3 years ago

6 0

Answer:

1: 6.4

2: 4.8

3: 1.7

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Bryan is buying notebooks and pens at an office supply store. Notebooks cost $3.59 and pens cost $1.49. He can spend up to $13 o

romanna [79]

Answer:if the notebooks cost 3.59 and pens cost 1.49, with x representing the notebooks and y representing the number of pens and an amount of $13, the inequality would be written as 3.59x+1.49y13

Step-by-step explanation:

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3 years ago

Which statements about 12 ÷ 7 are true? Use the array to answer the question. Check all that apply.

AURORKA [14]

Answer:

The remainder is 5

Step-by-step explanation:

12 Divided by 7 equals 12 over 7 or 1.714285. 7 can only go into 12, one time. if we subtract 7 from 12 we get 5 which is the remainder. There is no way it can be 2 because 7 plus 2 equals 9. 1 x 7 + 5 equals 12 which isn't 1.714285. 2 x 7 + 4 equals 18 which also isn't 1.714285. Same with 2 x 5 + 5. That equals 15 which isn't 1.714285.

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3 years ago

2/9 of the members are boys in a community service club. if there are 95 more girls than boys, how many girls are there in club?

KengaRu [80]

Answer:

133 girls

Step-by-step explanation:

Total members = x

Number of boys = $\frac{2}{9}x$

Number of girls = $\frac{2}{9}x +95$

Number of boys + Number of girls = total members

$\frac{2}{9}x+\frac{2}{9}x+95=x\\\\\frac{2}{9}x+\frac{2}{9}x=x -95\\\\\frac{2}{9}x+\frac{2}{9}x-x=-95\\\\\frac{4}{9}x-x = -95\\\\\frac{4}{9}x-\frac{9}{9}x = -95\\\\\frac{-5}{9}x=-95\\\\x = -95*\frac{9}{-5}\\\\x=19*9$

x = 171

Number of boys = $\frac{2}{9}*171$ = 2 * 19 = 38

Number of girls = 38 + 95 = 133

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3 years ago

If you had a right triangle with legs measuring 40 yards and 100 yards long,

tia_tia [17]

9514 1404 393

Answer:

Step-by-step explanation:

For hypotenuse c and legs a and b, the Pythagorean theorem tells you the relation is ...

c² = a² +b²

Solving for c, we have ...

c = √(a² +b²)

c = √(40² +100²) = √(1600 +10000) = √11600

c ≈ 107.70 . . . . yards

The length of the hypotenuse is about 108 yards.

6 0

3 years ago

Find the rule for the sequence<br> First term: 2 3/4<br> Sixth term: 3 7/12<br> Rule:_______

Fantom [35]

K, so areitmetic

an=a1+d(n-1)
a1=first term
d=common differnce

we are given
a1=2 and 3/4
6th term is 3 and 7/12

so

a6=3 and 7/12=2 and 3/4+d(6-1)
3 and 7/12=2 and 3/4+d(5)
minus 2 and 3/4 both sides
10/12=5d
divide both sides by 5 or multiply both sides by 1/5
2/12=d
1/6=d

$a_n=2 \frac{3}{4}+ \frac{1}{6}(n-1)$ or
$a_n=2 \frac{7}{12}+ \frac{1}{6}n$
that is the rule

4 0

3 years ago