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MrRa [10]
3 years ago
11

Please help me My class warm-up

Mathematics
2 answers:
Vladimir [108]3 years ago
6 0

Answer:

Number 1: You can either write -2 or -3 because it is not equal to -1

Number 2: 1

Number 3: 6

Number 4: -8

:)

Thank you!

Elanso [62]3 years ago
4 0

Answer:

hmmm, I m not sure but I think these are answers

Step-by-step explanation:

1. -1≤x

2. 2≥x

3. 44. x<0

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The cost (in dollars) of making b bracelets is represented by 4 5b. The cost (in dollars) of making b necklaces is represented b
Leviafan [203]

Answer:

$(3b+2)

Step-by-step explanation:

The cost of making b bracelets = 4+5b

The cost  of making b necklaces = 8b+6.

To determine how much more it cost to make b necklaces than b bracelets, we simply subtract.

Extra Cost = Cost of b Necklaces-Cost of b Bracelets

=(8b+6)-(4+5b)

open the brackets

=8b+6-4-5b

Collect like terms

=8b-5b+6-4

=3b+2

It costs $(3b+2) more to make b necklaces than b bracelets.

3 0
4 years ago
For what values of y does the binomial 5y−7 belong to the interval (−5, 13)?
maw [93]
Answer: y should be in the interval (0.4, 4)

Explanation: 

The binomial 5y - 7 is in the interval (-5, 13) if and only if 

-5 < 5y - 7 < 13

Solving the inequalities in this form is the same as solving equation. So, we add all sides of the inequalities by 7 so that

2 < 5y < 20

Then, we divide both sides by 5 to get the following inequalities

0.4 < y < 4

Hence y should be in the open interval (0.4, 4). 
6 0
4 years ago
3x^3(4x^4)=?<br> i need this plz
sladkih [1.3K]

Answer:

12 x^{7}

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
How can I find the volume of a cone 9 radius and 18 height​
Anastasy [175]

Answer:

V = 486\pi, or approx. 1,526.814

Step-by-step explanation:

V = \pi*r²*(h/3)

plug in the numbers: V = \pi * (9)² * (18/3)

simplify: V = \pi * 81 * 6

simplify: V = 486\pi, or approx. 1,526.814

6 0
3 years ago
Read 2 more answers
Between which two consecutive whole numbers does the root of 59 lie​
IrinaK [193]

Answer:

Step-by-step explanation:

¿Entre que números naturales consecutivos se encuentra cada raíz?

Bueno en este caso debes empezar por el 1 en adelante, pero solo sucede en números impares consecutivos. Solamente debes sumar 1,3,5,7,9,11,13,15,17,19 ..... en adelante, y en cada suma de cada sucesión encontraras un cuadrado. Ojo solo sumando en orden, tampoco sumarás 3+9, ya que te dará 12 y 12 No tiene raíz.

1+3=4,√4=2

4+5=9, √9=3

9+7=16, √16=4

16+9=25, √25=5

25+11=36, √36=6

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49+15=64, √64=8

64+17=81, √81=9

81+19=100, √100=10

............................................................................................................

A SI CONSECUTIVAMENTE SIEMPRE OBTENDRÁS CADA RAÍZ  

¿Entre que números naturales consecutivos se encuentra cada raíz?

R= En los número impares consecutivos, comenzando por el 1 en adelante.

8 0
3 years ago
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