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iren2701 [21]
3 years ago
14

Samuel is in charge of ordering lunch for participants in a company seminar. He needs to order 24 lunch specials that each cost

$6.00. If Samuel wants to do the computation mentally, which identity should he use ?
Mathematics
1 answer:
musickatia [10]3 years ago
8 0
Distributive is easiest.
$6 x 24=(6x20)+(6x4)=120+24=144
☺☺☺☺
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Complete the square to re-write the quadratic function in vertex form: y=x2-x+3
Anna [14]

Answer:

Step-by-step explanation:

hello :

note : the vertex form is :

ax²+bx+c = a(x+(b)/(2a))²-  delta/4a²   and   delta = b²- 4ac

in this exercice you have : a =1    b = -1   and  c= 3

continu ..........

5 0
2 years ago
The sum of an integer and 6 times the next consecutive odd integer is 61. Find the
vfiekz [6]

If the sum of an integer and 6 times the next consecutive integer is 61, the the value of lesser integer is 7

Consider the first odd integer as x

Then the next consecutive odd integer = x+2

The 6 times the second integer=  6(x+2)

= 6x+12

Sum of an integer and 6 times the next consecutive odd integer is 61

Then the equation will be

x + 6x+12 = 61

Add the like terms in the equation

(1+6)x + 12 = 61

7x +12 = 61

Move 12 to the right hand side of the equation

7x = 61-12

7x = 49

x = 49/7

x = 7

The second number is

x+2 = 7+2

= 9

Hence, if the sum of an integer and 6 times the next consecutive integer is 61, the the value of lesser integer is 7

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4 0
1 year ago
In a circle with a radius of 7 feet, the radian measure of the central angle subtended by an arc with a length of 4 feet is . Th
ivann1987 [24]
We know that
length of a sector=[∅]*r--------> when ∅ is in radians
so
∅=length of a sector/r
for r=7 ft
length of a sector=4 ft
∅=4/7-----> 0.57 radians

the answer part 1) is 0.57 radians

part 2) 
area of a sector=(∅/2)*r²--------> when ∅<span> is in radians
</span>area of a sector=(4/7/2)*7²-----> (4/14)*49----> 14 ft²

the answer Part 2) is 14 ft²
3 0
3 years ago
5.3 liters to milliters​
Dominik [7]

Answer:

5300 milliliters​

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Se cocina una pizza de 20 cm de radio, en su interior se coloca al azar 12 piezas de salami
Furkat [3]

Answer:

The area of cheese is 388π cm.

Step-by-step explanation:

Given that,

Radius of pizza = 20 cm

Number of pieces = 12

Radius of circle = 1 cm

We need to calculate the area of pizza

Using formula of area

A=\pi\times r^2

Put the value into the formula

A=\pi\times20^2

A=400\pi\ cm^2

We need to calculate the area of circle

Using formula of area

A'=\pi\times r^2

Put the value into the formula

A'=\pi\times1^2

A'=\pi\ cm^2

Now, we multiply the result by 12 because they are 12 salamis.

So. the area of salamis will be

A'=12\pi\ cm^2

We need to calculate the area of cheese

The total area of ​​the pizza and subtract the area of ​​the salamis

A''=A-A'

Put the value in to the formula

A''=400\pi-12\pi

A=388\pi\ cm^2

Hence,  The area of cheese is 388π cm.

6 0
3 years ago
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