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vovangra [49]
2 years ago
15

What's the answer for these two? y= -2x+9 y=4x-3

Mathematics
1 answer:
Klio2033 [76]2 years ago
4 0

Answer:

4.5 and .75 or 9/2 and 3/4

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2. Identifica si las parejas de triángulos son congruentes. Escribe cuál de los criterios te permite comprobarlo.
Marysya12 [62]

Answer:Dos triángulos son congruentes si tienen iguales dos de sus lados respectivos y el ángulo comprendido entre ellos y el ángulo opuesto mayor medida que ellos. 4° Dos triángulos son congruentes si tienen dos lados correspondientes y el ángulo opuesto mayor de estos lados congruentes.

Step-by-step explanation:

4 0
3 years ago
Help please can’t find answers anywhere
Jobisdone [24]

Answer:

They are not equal to each other

Step-by-step explanation:

3^2 + 2^2 = C^2

9+4=C^2

13=c^2

3.6= CD

2^2 +2^2 =c^2

4+4 =c^2

8=c^2

2.8= EF

8 0
3 years ago
Read 2 more answers
Isamu decided to use blocking to deal with an extraneous factor in his experiment. what will blocking do to the subject in his e
Olegator [25]

Answer:

b. divide them into groups based on similarities

Step-by-step explanation:

Blocking is a method in statistics used to reduce the effect of nuisance variables in an experiment. Nuisance variables are those factors that could result in variations during the experiment. During blocking, subjects with similar features are grouped in the same block, and treatment is then administered to each of these subjects. In order to form blocks, blocking factors are used.

Blocking factors can affect the results of an experiment but they are of no importance to the experimenter. An example of a blocking factor is age.  So, for Isamu who seeks to use blocking to deal with an extraneous factor in his experiment, blocking would enable him to divide his subjects into groups based on similarities.

4 0
3 years ago
PLS HELP!! If f(x) = 2x^2-4x and g(x) =5-2x, evaluate f(x)-g(x) for x=5
anastassius [24]
To solve this equation you need to first start by writing out the f(x)-g(X).
The equation should be 2x^2-4x-5+2x. 
You then want to simplify the equation, I got 2x^2-2x-5.
You then want to plug in the x=5 for all the x's in the equation. 
2(5)^2-2(5)-5 would be the equation. 
The answer you get should be 35.
6 0
3 years ago
Ann's first option is a plot of land adjacent to a current park.
oksian1 [2.3K]

Given:

The equation for the area of the first option is:

x^2+200x=166400

Where x is the side length of the current square park.

To find:

The side length of the current square park.

Solution:

We have,

x^2+200x=166400

It can be written as:

x^2+200x-166400=0

Splitting the middle term, we get

x^2+520x-320x-166400=0

x(x+520)-320(x+520)=0

(x-320)(x+520)=0

x=320,-520

We know that the side length of a park cannot be negative. So, the only possible value of x is 320.

Therefore, the most direct method to solve the given equation is splitting the middle term and the side length of the current square park is 320 meters.

4 0
2 years ago
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