3 years ago

Please help me will be marked brainlist

Mathematics

1 answer:

Sholpan [36]3 years ago

7 0

The answer is 3 days. My work is in the pic in case you need it

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Evaluate the expression: (–2)2 + (–42) + (18 – 23).

AURORKA [14]

Step-by-step explanation:

Hope it will help you...

3 0

2 years ago

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Hitunglah volume kubus dengan panjang rusuk rusuknya sebagai berikut:<br> a.6cm b.5,6cm c.3,4dm

Elena-2011 [213]

A. v.kubus = s×s×s
= 6×6×6
= 216
b. v.kubus = s×s×s
= 5,6×5,6×5,6
= 175,616
c. v.kubus = s×s×s
= 34×34×34
=39304

6 0

3 years ago

Maya reads 1/8 of a newspaper in 1/28 of a minute.how many minutes does she need to read an entire paper

zepelin [54]

8/20 of a minute or 2/5 of a minute

5 0

3 years ago

I need help, this is geometry

Artemon [7]

Answer:

∠P = 39º

∠Q=120º

∠R = 21º

Step-by-step explanation:

m∠P+m∠Q+m∠R=180º (sum of ∠s in a triangle)

2x-3+6x-6+x=180º (substitution)

9x-9=180º (algebra)

9x=189º (algebra)

x=21º (algebra) (this is ∠R)

(2x-3)=39º (algebra) (this is ∠P)

6x-6=120º (algebra) (this is ∠Q)

7 0

2 years ago

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M is inversely proportional to r if m= 9 when r= 4 find m when r=2

bazaltina [42]

m=18 when r = 2.

Step-by-step explanation:

Given,

m∝ $\frac{1}{r}$

So,

m = k× $\frac{1}{r}$ ,--------eq 1, here k is the constant.

To find the value of m when r = 2

At first we need to find the value of k

Solution

Now,

Putting the values of m=9 and r = 4 in eq 1 we get,

9 = $\frac{k}{4}$

or, k = 36

So, eq 1 can be written as m= $\frac{36}{r}$

Now, we put r =2

m = $\frac{36}{2}$

or, m= 18

Hence,

m=18 when r = 2.

4 0

2 years ago