2 years ago

What triangle congruence postulate would you use to prove these triangles are congruent.

Mathematics

2 answers:

masha68 [24]2 years ago

5 0

Ssssssssssssssssssssss

swat322 years ago

4 0

Answer:

I don't know

Step-by-step explanation:

sorry

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Write an equation in standard form of the line that contains the point (-1,2) amd is perpendicular to y = 3x - 1

Strike441 [17]

Since it is perpendicular to y=3x-1, the slope must be a negative reciprocal.
there the slope of the perpendicular line is $-\frac{1}{3} x$

So now we have,
$y=- \frac{1}{3} x+b$

To find b, we use the point that the line passes through and substitute it to the y and x values.

$2=- \frac{1}{3} (-1)+b$

which would give us b=5/3

Therefore, the equation of the line is
$y=- \frac{1}{3} x+ \frac{5}{3}$

7 0

3 years ago

A grasshopper has a length of 5X +2 inches a spider has a length of 2X -1 inches how much longer is the grasshopper

Temka [501]

The grasshopper is 5X+2-(2x-1)=3x+3 inches longer than the spider.

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3 years ago

Sophia‘s favorite homemade cookie recipe requires one cup of chocolate chips for 10 servings if the number of cups required for

weqwewe [10]

Answer:

3 cups

Step-by-step explanation:

We can use a proportion to find how many cups of chocolate chips she needs for 30 servings. Assuming c = cups of chocolate chips and b = batches

$\frac{c}{b}$

$\frac{1}{10} = \frac{c}{30}$

We can now multiply the diagonal values that don't include the missing variable (30 and 1) and then divide it by the value that is diagonal to the variable (10)

$30 \cdot 1 = 30\\30 \div 10 = 3$