3 years ago

Which letter has reflectional, rotational, and point symmetry? O P Q L

Mathematics

1 answer:

Crazy boy [7]3 years ago

8 0

The answer should be O

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Which of the following sets of lengths could not be the side lengths of a triangle?

docker41 [41]

To find out if the three side lengths can create a triangle, the three smaller lengths must be greater than the longer length.

$\bf~Option~A$

$\sf~3~meters,5~meters,7~meters$

$\sf3+5=8>7$

So this can create a triangle.

$\bf~Option~B$

$\sf1~yard,1.25~yards,1.5~yards$

$\sf1+1.25=2.25>1.5$

So this can create a triangle.

$\bf~Option~C$

$\sf5~inches,10.5~inches,17~inches$

$\boxed{\sf5+10.5=15.5$

So this cannot create a triangle.

$\bf~Option~D$

$\sf15~millimeters,18~millimeters,30~millimeters$

$\sf15+18=33>30$

So this can create a triangle.

Therefore, your answer is Option C.

8 0

3 years ago

Solve for t: t ÷ 5 = 8

DIA [1.3K]

Answer:

Step-by-step explanation:

Equation is t÷5=8

first you multiply 5 on each to cancel it out

t÷5*5=8*5

solve to get

t=40

8 0

4 years ago

HELP ASAP<br> f(x)=x² what is g(x)?

murzikaleks [220]

Just by comparing the plots of f(x) and g(x), it's clear that g(x) is just some positive scalar multiple of f(x), so that for some constant k, we have

g(x) = k • f(x) = kx² = (√k x)²

The plot of the transformed function g(x) = (√k x)² passes through the point (1, 4), which means

g(1) = (√k • 1)² = 4

and it follows that k = 4. So g(x) = 4x² = (2x)² and B is the correct choice.

4 0

2 years ago

Which number has the same value as 28 tens? 28 or 280

KIM [24]

28 because we are talking about TENS meaning there can only be 2 digits

3 0

3 years ago

Veronica's mom left 3/4 of a cake on the table. Her brothers ate 1/2 of it. What fraction of the cake did they eat?

Brums [2.3K]

Answer: 3/8

Step-by-step explanation: Multiply 3/4 and 1/2, or $\frac{3}{4} *\frac{1}{2} \\$ , which equals 3/8

7 0

3 years ago