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hram777 [196]
4 years ago
11

kyle models a sum of two integers. he uses more negative (red) counters than postive (yellow) counters. what do you predict abou

t the sign of the sum? *explain*.

Mathematics
1 answer:
Firdavs [7]4 years ago
6 0

the sign would probably be a negative. imagine this - - - - - - and then + + +, cancel out the negatives and plus then you are left with more negatives than positive so the sign will take the negative sign.

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4a + 3b + 20 if a = 2 and b = 3<br> O 37<br> O 95<br> O 24<br> 0 32
Lyrx [107]
It’s 37 4(2)+3(3)+20, 8+9+20,
17+20=37
6 0
3 years ago
Eunice wanted to save up for a mountain bike that costs £250. She baby-sits each week for 6 hours for £2.75 an hour, and does a
choli [55]

Answer:

Approximately 2 weeks

Step-by-step explanation:

Given data

Cost of bike=  £250

<em>Assuming she works for 6 days</em>

1.Babysitting

6*2.75=£16.5 per day

for 6 days

=16.5*6

=£99

2. Saturday Job

=£27.50

Total earnings for the week

=£27.50+£99

=£126.5 weekly

Hence it will take her

=250/126.5

=1.97 week

Approximately 2 weeks to save up the amount

3 0
3 years ago
Trigonometry<br> Trigonometric Functions<br> Given: Sin θ = (2/3), Find: Cosec θ
rosijanka [135]

Answer:

csc θ = (3/2)

Step-by-step explanation:

Cosecant is just the inverse of sine

8 0
3 years ago
un abuelo quiere repartir una cierta cantidad de manera proporcional entre sus tres nietos de 14, 10 y 6 años de edad ¿Aquien le
vesna_86 [32]

Answer:

El niño con 14 años es el que tiene más derechos según su edad.

Step-by-step explanation:

Aquí, tenemos un abuelo que quiere compartir una cantidad de dinero entre sus nietos y queremos saber cuál de sus nietos tiene más derecho a este dinero proporcionalmente.

Creo que va a utilizar la edad de los niños como valor de proporcionalidad.

Así, compartiendo la cantidad entre sus hijos, tenemos; 14: 10: 6 que es 7: 5: 3

Entonces, lo que esto significa es que el niño con 14 años tomará 7 de los 15 lugares y es el que tomará la cantidad más alta.

Entonces, usando la edad como criterio, el niño con 14 años tiene más derecho a la cantidad a compartir.

7 0
4 years ago
Can someone help with this math question please
kherson [118]
Regarding question number 47, which is what I can read well ...
 Equation 4 (3x-2) ² = 36 It can be solved in the following way:
 -Apply distributive property
 4 (9x ²-12x +4) = 36
 -We order the terms and equalize to zero
 36x² -48x +16 -36 = 0
 36 x ² -48x -20 = 0
 The roots of this equation are
 (-48 +  √(48 ²-4 ×36 × -20)) / 2 ×36
 and
 (-48 -  √(48 ²-4 × 36 ×-20)) / 2 ×36
 Finally the solution is:
 option C
 x = -1 / 3
 x = 5/3
4 0
3 years ago
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