All categories

3 years ago

The value of x can be 3 or 7.The value of y can be 4 or 9.a. List the possible values of xy

Mathematics

1 answer:

aleksklad [387]3 years ago

4 0

Answer:

7, 27, 28, 63

Step-by-step explanation:

The possible values of xy are

3 × 4 = 12

3 × 9 = 27

7 × 4 = 28

7 × 9 = 63

You might be interested in

Which section of the function is decreasing?

Allisa [31]

Answer:

Step-by-step explanation:

A section is decreasing

8 0

3 years ago

Triangle ABC has AB=5, BC=7, and AC=9. D is on AC with BD=5. Find the length of DC

e-lub [12.9K]

Answer:

$DC=\frac{8}{3}\ units$

Step-by-step explanation:

The picture of the question in the attached figure

we know that

The triangle ABD is an isosceles triangle

because

AB=BD

The segment BM is a perpendicular bisector segment AD

In the right triangle ABM

Applying the Pythagorean Theorem

$BM^2=AB^2-AM^2$

we have

$AB=5\ units\\AM=x\ units$

substitute

$BM^2=5^2-x^2$

$BM^2=25-x^2$ -----> equation A

In the right triangle BMC

Applying the Pythagorean Theorem

$BM^2=BC^2-MC^2$

we have

$BC=7\ units\\MC=AC-AM=(9-x)\ units$

substitute

$BM^2=7^2-(9-x)^2$

$BM^2=49-(81-18x+x^2)$

$BM^2=49-81+18x-x^2$

$BM^2=-x^2+18x-32$ ----> equation B

equate equation A and equation B

$-x^2+18x-32=25-x^2$

solve for x

$18x=25+32\\18x=57\\\\x=\frac{57}{18}$

Simplify

$x=\frac{19}{6}$

Find the length of DC

$DC=AC-2x$

substitute the given values

$DC=9-2(\frac{19}{6})$

$DC=9-\frac{19}{3}\\\\DC=\frac{8}{3}\ units$

8 0

3 years ago

4+8= 2 x (6-3) Can somebody help me ASAP

kupik [55]

Answer: 12≠6

False

Step-by-step explanation:

8 0

3 years ago

What is the answer to this ???

ehidna [41]

The answer is x=K/b + 2/b.

4 0

2 years ago

Simplifying radicals

nexus9112 [7]

Answer:

its easy just do 7 times 145 wich is

Step-by-step explanation:

1015

8 0

2 years ago

The value of x can be 3 or 7.The value of y can be 4 or 9.a. List the possible values of xy​

The value of x can be 3 or 7.The value of y can be 4 or 9.a. List the possible values of xy