ACT-Math 無料問題集「ACT American College Testing: Math Section」

If

and

,

___.

The expression 4x 2 - 2x + 3 is equal to 3 when x = 0 and when x =

FILL BLANK
If -6 b + 2 a - 25 = 5 and

, what is the value of

?
正解:
1/4
In the diagram above, ABC and DEC are right triangles, the length of side BC is 15 units, and the measure of

is 60º.

If

is congruent to

, what is the length of side DC?

In the diagram above,

is
congruent to

, and

is congruent to

.

If the ratio of the length of AB to the length of EB is 5:1, and the area of triangle BED = 5 a 2 + 10, what is area of triangle ABC?

If the surface area of a cube is 384 cm2, what is the volume of the cube?

Which of the following is an irrational number?

The number of decibels, d, produced by an audio source can be modeled by the equation:

where I is the sound intensity of the audio source and K is a constant.
How many decibels are produced by an audio source whose sound intensity is 1,000 times the value of K?

A building built on a level field casts a shadow seven feet long and stands 35 feet tall. A nearby building casts a shadow 14 feet long.
How tall is the building?

The diagonal of one face of a cube measures 4√2 in.
What is the volume of the cube?

弊社を連絡する

我々は12時間以内ですべてのお問い合わせを答えます。

オンラインサポート時間:( UTC+9 ) 9:00-24:00
月曜日から土曜日まで

サポート:現在連絡