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olga nikolaevna [1]
3 years ago
15

Calculate the values of the expression below 2 ( 3 (5 + 2) -1)​

Mathematics
2 answers:
Otrada [13]3 years ago
7 0

Answer:

= 40

Step-by-step explanation:

2 ( 3 (5 + 2) -1)

= 2 * 20

= 40

Tema [17]3 years ago
7 0

Answer:

<h2>40</h2>

Step-by-step explanation:

2\left(3\left(5+2\right)-1\right)\\\\\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}\\\\\mathrm{Calculate\:within\:parentheses}\:\left(3\left(5+2\right)-1\right)\:\\\\:\quad 20\\\\=2\times \:20\\\\= 40

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LoneWolves or anyone plz help me with this math question! I promise I'll mark u brainliest for the absolute right ANSWER
jeyben [28]

Answer:

8 ft^2

Step-by-step explanation:

\frac{h1}{2ft} =\frac{h2}{3ft} \\\\

area of ABC is:

A= \frac{(3ft)(h2)}{2}

area of ABC is 18 square ft, then

h2 = \frac{(area)(2)}{3ft} = \frac{(18 ft^2)(2)}{3ft} =12ft

now you can find h1 and the area for EFG

6 0
3 years ago
Read 2 more answers
Convert 11.42424242 to a rational expression in the form of a/b , where b ≠ 0.
TiliK225 [7]
11.424242
isolate the repeating part
11+0.424242

focus on the repeating part
0.42424242
how many places till it repeats again?
2
let's say it is x
x=0.42424242
multiply by 100
100x=42.424242

subtract them
100x-x=42.42424242-0.42424242
the infinite repeats cancel and we get
99x=42
divide by 99
x=\frac{42}{99}



so
11.\overline{42}=11 \space\ \frac{42}{99}
5 0
3 years ago
Read 2 more answers
PLEASE HELP!!!!
Nadya [2.5K]

Answer:

(-1,1,3)

Step-by-step explanation:

midpoint = (x1+x2/2, y1+y2/2, z1+z2/2)

midpoint = ( (-6+4)/2, (3+-1)/2, (4+2)/2 )

midpoint = (-2/2, 2/2, 6/2)

midpoint = (-1, 1, 3)

6 0
3 years ago
A &amp; B share the cost in a ratio of 3:2. A pays £125, how much does B pay?
guajiro [1.7K]
Let the common multiple be x
3x : 2x
3x = 125
x = 125/3

So, B pays 2x = 2 × 125/3 = £250/3
7 0
3 years ago
Which one of the following formulas defines the area, A A , of a square in terms of its perimeter, p ?
pav-90 [236]
A square has 4 sides of equa length

the perimiter is 4 times the side, or P=4s where s=length of 1 side

the area is length times witdth, but since the length=width, area=s² where s is the length of one side

so express A=s² in terms of P when P=4s

solve for s first in P=4s
P=4s
divide both sides by 4
\frac{P}{4}=s

subsitute \frac{P}{4} for s in the other eqaution
A=s^2
A=(\frac{P}{4})^2
A=\frac{P^2}{16}



in terms of the perimiter, the area is A=\frac{P^2}{16}
6 0
3 years ago
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