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3 years ago

Hello me please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

lora16 [44]3 years ago

8 0

Um.. listen to the teacher more

Eddi Din [679]3 years ago

3 0

Answer:

Idk

Step-by-step explanation:

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I need help with this question I don’t understand it much?

marishachu [46]

Answer:

-5

Step-by-step explanation:

I think the m is for measure of line AB

4 0

3 years ago

Answer and explanation please?

nignag [31]

The answer would be A. m= -3/5 and b=-4/5
"m= -5-1 divided by 7--3
or, -6/10
or, -3/5.

to find the (B)

(-3,1). y=mx+b or 1=-3/5 × -3+b, or solving for b: b=1-(-3/5)(-3). b=-4/5.(7,-5). y=mx+b or -5=-3/5 × 7+b, or solving for b: b=-5-(-3/5)(7). b=-4/5.See! In both cases we got the same value for b. And this completes our problem.

The equation of the line that passes through the points(-3,1) and (7,-5)isy=-3/5x-4/5"
Source: webmath

5 0

3 years ago

The ornament below is composed of two congruent square pyramids. Each square pyramid has base side lengths of 2 inches and a hei

kondor19780726 [428]

Answer:

The volume of the ornament is $6\frac{2}{3}\ in^{3}$

Step-by-step explanation:

we know that

The volume of the ornament is equal to the sum of the volume of the two congruent square pyramids

$V=2[\frac{1}{3}b^{2} h]$

we have

$b=2\ in$

$h=2.5\ in$

substitute

$V=2[\frac{1}{3}(2)^{2} (2.5)]$

$V=\frac{20}{3}\ in^{3}$

Convert to mixed number

$\frac{20}{3}=\frac{18}{3}+\frac{2}{3}=6\frac{2}{3}\ in^{3}$

5 0

3 years ago

Given: ABC is a right triangle with right angle C. AB = 14 centimeters and

Snezhnost [94]

Answer:7.6°

Step-by-step explanation:

Using sine formular

sinA/a =sinB/b

sin33/x = sin90/14

cross multiply

xsin90 = 14sin33

Divide bothside by sin90

x = 14sin33 / sin90

x= 7.6249 / 1

x = 7.6° to the nearest tenth.

4 0

3 years ago

Walter wants computer software that cost $129. He has $57 saved. If he saves a maximum of $15 a week, the following inequality c

Lina20 [59]

In this question, it is given that

Walter wants computer software that cost $129. He has $57 saved.

he saves a maximum of $15 a week, the following inequality can be used to find how many weeks it will take Walter to save enough money to buy the software.

$15x+57 \geq 129$

And we have to solve this inequality for x.

First we subtract 57 to both sides. And on doing so , we will get

$15x\geq 72$

Dividing both sides by 15.

$x \geq 4.8$ \

Correct option is A.

8 0

4 years ago