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3 years ago

10× 7 thousands unit form

Mathematics

1 answer:

natita [175]3 years ago

7 0

10x7000=70 000
Read as seventy thousand
Scientific notation 7x10^4

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Use a Venn diagram

zzz [600]

Answer:

243 students are involved in either sports or music whereas 100 are not

involved in either of it.

Step-by-step explanation:

No. of students who are in music = 115

No. of students who are in sports = 197

No. of students who are in both activities = 69

So, no. of students who are involved either in sports or music,

= (115 + 197 - 69)

=243

So, no. of students who are not involved in either sports or music,

= (343 - 243)

=100

5 0

3 years ago

What is 75percent of 200

Setler79 [48]

Answer:

150

Step-by-step explanation:

4 0

2 years ago

How do you graph y-2=1/2 (x+6)

jeyben [28]

The point-slope form:

$y-y_1=m(x-x_1)$

m - slope

(x₁, y₁) - point

The slope-intercept form of an equation of a line:

$y=mx+b$

m - slope

b - y-intercept → (0, b)

Convert the given equation to the slope-intercept form:

$y-2=\dfrac{1}{2}(x+6)$ use distributive property a(b + c) = ab + ac

$y-2=\dfrac{1}{2}x+3$ add 2 to both sides

$y=\dfrac{1}{2}x+5$

It is a linear function. We only need two points to plot the graph.

The first point we have from point-slope form → x₁ = -6, y₁ = 2 → (-6, 2).

The second point we have from slope-intercept form → b = 5 → (0, 5)

5 0

4 years ago

How many real number solutions does 4x^2+2x+5=0 have?

UNO [17]

Therefore $4x^2+2x+5=0$ have two real number solution.

Step-by-step explanation:

$4x^2+2x+5=0$ The solution of the equation $ax^2+bx+c=0$ is

$\Leftrightarrow x = \frac{-2\pm \sqrt{2^2+4.4.5} }{2.5}$ $x= \frac{-b\pm\sqrt{b^2+4ac} }{2a}$

$\Leftrightarrow x =\frac{-2\pm \sqrt{84} }{10}$

$\Leftrightarrow x =\frac{-1\pm \sqrt{21} }{5}$

Therefore $4x^2+2x+5=0$ have two real number solution

5 0

3 years ago

Which one? A B C or D

ivolga24 [154]

Answer:

The answer is b and your welcome!!

5 0

3 years ago