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3 years ago

what is the greatest six digit number in which the thousands place is twice the digit in the tens place what is the least number

Mathematics

1 answer:

kotegsom [21]3 years ago

4 0

998994 and 112111
This seems to be the best numbers

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3x/2-7=x/4-2 I know the answer is four but I don’t know how to get it

Levart [38]

Answer:

X=4

Step-by-step explanation:

(3X/2) - (X/4) = 5

(6X-X)/4 = 5

(5X)/4 = 5

5X = 20

X = 4

8 0

3 years ago

Here is a linear equation in two variables: 2x+4y−31=123. Solve the equation, first for x and then for y.

Allushta [10]

Answer:

$x = 77 - 2y$

$y = \frac{77 - x}{2}$

Step-by-step explanation:

Given

$2x + 4y - 31 = 123$

Required

Solve for x and for y

$2x + 4y - 31 = 123$

Add 31 to both sides

$2x + 4y - 31+31 = 123+31$

$2x + 4y = 154$

Solving for x

Subtract 4y from both sides

$2x + 4y - 4y = 154 - 4y$

$2x = 154 - 4y$

Divide by 2

$x = 77 - 2y$

Solving for y

$2x + 4y = 154$

Subtract 2x from both sides

$2x - 2x + 4y = 154 - 2x$

$4y = 154 - 2x$

Divide by 4

$y = \frac{154 - 2x}{4}$

Split

$y = \frac{77 - x}{2}$

7 0

3 years ago

What is 1 & 5/7 times 2 & 3/4

VARVARA [1.3K]

The solution of $1\frac{5}{7} \times 2\frac{3}{4}$ is $\frac{33}{7} \text{ or } 4.714$

Solution:

Given that we have to find the solution of given expression

Given expression is:

$1\frac{5}{7} \times 2\frac{3}{4}$

Let us first convert the mixed fraction to improper fraction

Multiply the whole number part by the fraction's denominator.

Add that to the numerator.

Then write the result on top of the denominator.

Therefore,

$1\frac{5}{7} = \frac{1 \times 7+5}{5} = \frac{12}{5}$

$2\frac{3}{4} = \frac{2 \times 4+3}{4}=\frac{11}{4}$

Now the expression becomes,

$1\frac{5}{7} \times 2\frac{3}{4} = \frac{12}{7} \times \frac{11}{4}$

Solve and simplify the above expression

$1\frac{5}{7} \times 2\frac{3}{4} = \frac{12}{7} \times \frac{11}{4} = \frac{33}{7}\\\\1\frac{5}{7} \times 2\frac{3}{4} = \frac{33}{7}$

In decimal form we get,

$\frac{33}{7}=4.714$

Thus the solution to given expression is found

5 0

3 years ago

64 plus what equals 177

tiny-mole [99]

The answer is 113 hope that helps

6 0

4 years ago

Please help :( I will give u points

gayaneshka [121]

when there is no number with redical sign here it is equivalent to the exponent " 1/2 "

but when it is 3 under redical x that means it is x^1/3

In first one 8 ^(9/2) is same as ( redical 8 ) ^9

In part B it is (3 under redical 125)^9 = ( 125 )^ 9/3 so this also same thing

In part C it is ( 12)^2/7) but the ( redical 12 ) ^7 is equal to ( 12)^7/2 so these two are not equivalent

in part D it is 4^1/5 but ( redical 4) ^5 = 4^( 5/2 which is also not equivalent

Answer : only A and B are equivalent

3 0

3 years ago