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dsp73
3 years ago
9

(-3)(-5) answers are below: -15 -8 +15

Mathematics
1 answer:
postnew [5]3 years ago
6 0

\text {Hello! Let's Solve this Problem!}

\text {To Solve this problem we must know that Multiplying a Negative to a Negative} \text {will equal a positive.}

\text {\underline {Multiply}}

\text {-3*-5=}

\text {Your Answer Would Be:}

\fbox {15}

\text {Best of Luck!}

\text {Also just remember when it comes to problems like these, think if it as 2 positive} \text {numbers. So really it's just 3*5}

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NEED HELP ASAP
KengaRu [80]

Answer:

Part 1) Triangle GHI, JKL

Part 2) (40*15)and(8*3), (18*6)and(4.5*1.5)

Step-by-step explanation:

we know that

If two figures are similar

then

the ratio of their corresponding sides are equal and is called the scale factor

Part 1)

<u>case a)</u> triangle GHI

If ABC and GHI are similar

then

\frac{4}{24}=\frac{3}{7}=\frac{5}{25}

but

0.17 \neq 0.43 \neq \ 0.20

therefore

Triangle GHI is not similar to triangle ABC

<u>case b)</u> triangle DEF

If ABC and DEF are similar

then

\frac{4}{44}=\frac{3}{33}=\frac{5}{55}

0.09=0.09=0.09

therefore

Triangle DEF is similar to triangle ABC

<u>case c)</u> triangle MNO

If ABC and MNO are similar

then

\frac{4}{10}=\frac{3}{7.5}=\frac{5}{12.5}

0.4=0.4=0.4

therefore

Triangle MNO is similar to triangle ABC

<u>case d)</u> triangle JKL

If ABC and JKL are similar

then

\frac{4}{21}=\frac{3}{20}=\frac{5}{29}

0.19 \neq 0.15 \neq 0.17

therefore

Triangle JKL is not similar to triangle ABC

Part 2)

case a) If the rectangles are similar, then

\frac{40}{8}=\frac{15}{3}

5=5

therefore

the rectangles are similar

case b) If the rectangles are similar, then

\frac{18}{4.5}=\frac{6}{1.5}

4=4

therefore

the rectangles are similar

case c) If the rectangles are similar, then

\frac{1,225}{3.5}=\frac{144}{1.2}

350\neq120

therefore

the rectangles are not similar

case d) If the rectangles are similar, then

\frac{13}{5.2}=\frac{5}{2.5}

2.5\neq 2

therefore

the rectangles are not similar


3 0
4 years ago
If A=x-1 and B=x+2, find an expression that equals 3A−3B in standard form.
Paul [167]

Answer:

-9

Step-by-step explanation:

A = x - 1

3A = 3 * (x - 1) = 3x - 3

B = x + 2

3B = 3*(x + 2) = 3x + 3*2 = 3x + 6

3A - 3B = 3x - 3 - (3x + 6) = 3x - 3 + 3x*(-1) - 6*(-1)

            = 3x - 3 -3x - 6

            = 0 - 9

           = -9

3 0
3 years ago
Read 2 more answers
What is the length of AC on a right triangle 84 156-x 7
olganol [36]

Answer:

144

Step-by-step explanation:

i just took the test

8 0
3 years ago
Solve for z :<br> <img src="https://tex.z-dn.net/?f=-7%20%3D%20%5Cfrac%7Bz%7D%7B-6%7D" id="TexFormula1" title="-7 = \frac{z}{-6}
aivan3 [116]

Answer:

42 = z

Step-by-step explanation:

-7=\frac{z}{-6}      Multiply both sides by -6 to get z by itself

42 = z

If this answer is correct, please make me Brainliest!

5 0
4 years ago
Read 2 more answers
At a sale this week, a table is being sold for $307.20. This is a 68% discount from the original price.
Andrei [34K]

Answer:

$516.096

Step-by-step explanation:

7 0
4 years ago
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