Which decimals are equivalent to

Mathematics

1 answer:

jenyasd209 [6]2 years ago

5 0

Therefore, the decimal equivalent to the expression $(5 \times 10) + (2 \times \frac{1}{100} )$ is 50.02

The given expression is:

$(5 \times 10) + (2 \times \frac{1}{100} )$

Note that $\frac{1}{100} = 0.01$

The expression therefore becomes:

(5 x 10) + (2 x 0.01)

50 + 0.02

= 50.02

Therefore, the decimal equivalent to the expression $(5 \times 10) + (2 \times \frac{1}{100} )$ is 50.02

Learn more here: brainly.com/question/18770964

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Find the sum of the numbers divisible by 7 between 30 and 500

brilliants [131]

Answer:

17822

Step-by-step explanation:

The number that are divisible by 7 between 30 and 500 are as follows :

35, 42,49,.....,497

It will form an AP with first term, a = 35 and common difference, d = 7

Let there are n terms in the AP.

nth term of an AP is given by :

$a_n=a+(n-1)d$

Putting all the values,

$497=35+(n-1)7\\\\462=(n-1)7\\\\n-1=66\\\\n=67$

Now, the sum of n terms of an AP is given by :

$S_n=\dfrac{n}{2}[2a+(n-1)d]$

Putting all the values,

$S_n=\dfrac{67}{2}[2(35)+(67-1)7]\\\\S_n=17822$

Hence, the sum of the numbers that are divisible by 7 between 30 and 500 is 17822.

6 0

3 years ago

Which type of conic section is described by the following equation?

krok68 [10]

Answer:

C. Hyperbola opening up and down

Step-by-step explanation:

A graph tells the tale.

___

The term with the positive coefficient identifies the axis along which the hyperbola opens. Here, that is the y-axis, so the figure opens up and down.

The minus sign between the squared terms indicates it is a hyperbola, rather than a closed curve (ellipse or circle). The fact that both terms are squared indicates it is <em>not</em> a parabola.