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Tems11 [23]
3 years ago
11

Help please :)

Mathematics
1 answer:
saul85 [17]3 years ago
4 0
No because a measurement for triangle must equal 180 in total in the measurement you give me equals 176
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The area of a parallelogram is given by the formula A=bh the area of the parallelogram on the right is 126 sq units. Find its ba
Elden [556K]
From the diagram we have

Base = 4x+1
Height = x+1

Area = Base × Height
126 = (4x+1)(x+1) ⇒ Expand the double bracket
126 = 4x^{2}+5x+1 ⇒ Subtract 126 both sides
0 = 4x^{2}+5x-125 ⇒ Factorise the quadratic expression
0 = (x-5)(4x+25) ⇒ Equating each factor to zero

x-5=0                       4x+25=0
x=5                           x=- \frac{25}{4}

We need the positive value of x so we use x=5

Height = 5+1 = 6
Base = 4(5)+1 = 21

8 0
4 years ago
Resuelve:
jok3333 [9.3K]

Answer:

A partir del problemas vamos a crear una ecuación donde X es una docena de huevos y Y una libra de mantequilla

entonces: 4 docenas de huevos y 3 libras de mantequilla es igual a 14.100

en mi primera ecuación seria: 4X + 3Y = 14.100

ahora haremos la segunda ecuacion: tres docenas y 1 libra de mantequilla

en mi segunda ecuación seria: 3X + 1Y = 8.700 el plan es sumar las dos ecuaciones pero yo quiero que al sumarlas la variable "Y" desaparezca así que mi segunda ecuación la voy a multiplicar pór (-3) quedándome todo así:

primera ecuación: 4X + 3Y = 14.100

segunda ecuacion multiplicada por -3: -9X - 3Y = -26.1

al sumarlas obtengo como resultado: -5X = -12

resolviendo esa ecuacion obtengo que X=  

X=2.4

luego reemplazas X en la primera ecuación: 4X + 3Y = 14.100

reemplazando seria: 4 x (2.4) + 3Y =14.100

9.6 + 3Y = 14.1000

3Y= 14.100 - 9.6

Y=  

Y=1.5

entonces concluimos que la docena de huevos cuesta 2.4 $ y la libra de mantequilla 1.5 $

Step-by-step explanation:

4 0
3 years ago
Which expression is equivalent to (6y^2-2)(6y+2)
ivann1987 [24]

Answer:

6y^3 + 12y^2 - 12y - 4

Step-by-step explanation:

So, you would multiply each in first equation for the second equation, you will got:

= 6y^2 * 6y + 6y^2 * 2 - 2*6y - 2* 2

= 6y^3 + 12y^2 - 12y -4

This would be the final expression

Hope this help you :3

6 0
4 years ago
Could you help me solve 9 & 10 .please
Ber [7]
The number that 24 is divided by is 2
4 0
3 years ago
Which is independent and which is dependent​
pav-90 [236]

Answer:

Step-by-step explanation:

the question does say that the amount of juice you an make, depends on the tomatoes  soo     't'  is the independent.. and 'a' the juice, is the dependent, which is the 2nd answer.  Did you really not know.. or were you just unsure?

3 0
3 years ago
Read 2 more answers
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