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expeople1 [14]
3 years ago
13

2) Suppose 3x + 4y = 52 and 5x + y = 30. What is the value of 8x − 2y?

Mathematics
2 answers:
kenny6666 [7]3 years ago
7 0

Answer:

c

Step-by-step explanation:

Lemur [1.5K]3 years ago
6 0
Try this solution, note, the suggested option is not the shortest way.

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What is the equation of a line with a slope of 7 and a point (1, 8) on the line?
stira [4]
Slope: 7   given point: (1,8)

y = 7x + b          step 1 - plug in the slope in the formula
8 = 7(1) + b       step 2 - plug in the given point
8 = 7 + b           step 3 - simplify the expression
b = 1                 step 4 - solve for b
y = 7x + 1         step 5 - plug in b

formula: y = 7x + 1
6 0
4 years ago
The triangles are similar by:
Tamiku [17]

Answer:

E. by the SAS similarity theorem.

Step-by-step explanation:

Included angle x° in ∆ ABC ≅ included angle x° in ∆EDC (vertical angles are equal)

DC/BC = 240/150 = 1.6

EC/AC = 320/200 = 1.6

This implies that the ratio of two corresponding sides of both triangles are the same.

Two triangles are considered similar to each other by the SAS similarity theorem of they have a corresponding included angle that is equal and two corresponding sides that are congruent to each other. Therefore, both triangles are similar by the SAS similarity theorem.

8 0
3 years ago
Plsss hurry i need help brainliest involed
dybincka [34]
45.5 is your answer, you will have to multiple the height times the base ( 5 x 9.1 )
7 0
3 years ago
What type of relationship does this pair of angles have? A.They are complementary angles.
Zinaida [17]
The answer to this question is D
3 0
4 years ago
A professora Luísa observou que o numero de meninas de turma dividido pelo numero de meninos dessa turma e 0,48. Qual e o menor
saw5 [17]

Respuesta:

37 estudiantes

Explicación paso a paso:

El número de niños dividido por el número de niñas = 0,48

Dejar :

x = número de niños; y = número de niñas

Tenemos ;

x / y = 0,48

Conversión a decimal;

0.48 es equivalente a 48/100

Reduciendo a la forma más simple:

48/100 = 12/25

Comparando:

x / y = 12/25

x = 12; y = 25

El menor número posible de estudiantes:

x + y = 12 + 25 = 37 estudiantes

5 0
3 years ago
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