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3 years ago

PLEASE HELP VERY URGENT

Mathematics

1 answer:

Elina [12.6K]3 years ago

8 0

Answer:

√(a² + b²) is the answer as

Step-by-step explanation:

both ABC AND DEF are right triangles...

So Pythagoras theorem will work here

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2. If y varies inversely as x and y=0.8 when x = 1.8, find y when x = 4.8.

Aleks04 [339]

Answer:

y=2.13

Step-by-step explanation:

cross multiply

0.8/1.8=y/4.8

4.8*0.8/1.8

3.84/1.8

y=2.13

8 0

3 years ago

What if Randy needs an equal number if bowls and cups for his picnic how many packs of each will he need to buy bowls number 1 p

nata0808 [166]

In order to find this, you will need to find the LCM of 8 and 6. This would be 24. For Bowls, 6*4 is 24 and cups 8*3 is 24.
So therefore
Bowls: 4 packs of 6
Cups: 3 packs of 8

4 0

3 years ago

Is 21.192 a rational or irrational

Klio2033 [76]

Rational number is something that does not have a decimal number going to infinity or something that can be written as a fraction

21.192 can be written as 21 192/1000 so yes its rational

i.e. √2 goes on forever and cannot be written as a fraction. so no it is not rational. it is irrational just like π.

Hope this helps :P

6 0

4 years ago

Jack and Jillian sell apples at a produce stand. Jillian earns $2 for each bag of apples she sells. At the end of the week, Jack

elena-14-01-66 [18.8K]

We are given that Jack and Jillian sell apples at a produce stand .

We are given that an expression which shows Jack's earning=2x-8

We have to find that first term what represent in the given expression

Jillian earns for each bag of apples she sells=$2

Let Jillian sold number of bags of apples =x

Then ,Jillian earn total at the end of the week =

Jack has earned $ 8 less than Jillian earn

Therefore, total earning of jack=

In the given expression the first term 2x represent the earning of Jillian.

5 0

3 years ago

Which lines have slope -4/5 and contains point (0,1)?

miv72 [106K]

ANSWER

The required line is BC

EXPLANATION

We want to find the line that passes through
$(0,1)$

and has slope
$m = - \frac{4}{5}$

Since the x-value of the given point is zero, the point

$(0,1)$

is the y-intercept.

From the above graph, the two lines that contains
$(0,1)$

are line CE and line BC.

Since, the slope

$m = - \frac{4}{5}$
is negative, line BC is the required line because it is sloping backwards.

We can confirm this by using the point,

$B(-5,5)$

and

$C(0,1)$

to find the slope and obtain

$m = \frac{5 - 1}{ - 5 - 0} = - \frac{4}{5}$

3 0

3 years ago